645399664

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:319

約数の個数: 160

約数和(自身を含む): 1617674240

約数和(自身を除く): 972274576

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 79, 91, 104, 112, 124, 158, 181, 182, 208, 217, 248, 316, 362, 364, 403, 434, 496, 553, 632, 724, 728, 806, 868, 1027, 1106, 1264, 1267, 1448, 1456, 1612, 1736, 2054, 2212, 2353, 2449, 2534, 2821, 2896, 3224, 3472, 4108, 4424, 4706, 4898, 5068, 5611, 5642, 6448, 7189, 8216, 8848, 9412, 9796, 10136, 11222, 11284, 14299, 14378, 16432, 16471, 17143, 18824, 19592, 20272, 22444, 22568, 28598, 28756, 31837, 32942, 34286, 37648, 39184, 39277, 44888, 45136, 57196, 57512, 63674, 65884, 68572, 72943, 78554, 89776, 100093, 114392, 115024, 127348, 131768, 137144, 145886, 157108, 185887, 200186, 222859, 228784, 254696, 263536, 274288, 291772, 314216, 371774, 400372, 443269, 445718, 509392, 510601, 583544, 628432, 743548, 800744, 886538, 891436, 1021202, 1167088, 1301209, 1487096, 1601488, 1773076, 1782872, 2042404, 2602418, 2974192, 3102883, 3546152, 3565744, 4084808, 5204836, 5762497, 6205766, 7092304, 8169616, 10409672, 11524994, 12411532, 20819344, 23049988, 24823064, 40337479, 46099976, 49646128, 80674958, 92199952, 161349916, 322699832, 645399664]

約数ペア:

[(1, 645399664), (2, 322699832), (4, 161349916), (7, 92199952), (8, 80674958), (13, 49646128), (14, 46099976), (16, 40337479), (26, 24823064), (28, 23049988), (31, 20819344), (52, 12411532), (56, 11524994), (62, 10409672), (79, 8169616), (91, 7092304), (104, 6205766), (112, 5762497), (124, 5204836), (158, 4084808), (181, 3565744), (182, 3546152), (208, 3102883), (217, 2974192), (248, 2602418), (316, 2042404), (362, 1782872), (364, 1773076), (403, 1601488), (434, 1487096), (496, 1301209), (553, 1167088), (632, 1021202), (724, 891436), (728, 886538), (806, 800744), (868, 743548), (1027, 628432), (1106, 583544), (1264, 510601), (1267, 509392), (1448, 445718), (1456, 443269), (1612, 400372), (1736, 371774), (2054, 314216), (2212, 291772), (2353, 274288), (2449, 263536), (2534, 254696), (2821, 228784), (2896, 222859), (3224, 200186), (3472, 185887), (4108, 157108), (4424, 145886), (4706, 137144), (4898, 131768), (5068, 127348), (5611, 115024), (5642, 114392), (6448, 100093), (7189, 89776), (8216, 78554), (8848, 72943), (9412, 68572), (9796, 65884), (10136, 63674), (11222, 57512), (11284, 57196), (14299, 45136), (14378, 44888), (16432, 39277), (16471, 39184), (17143, 37648), (18824, 34286), (19592, 32942), (20272, 31837), (22444, 28756), (22568, 28598)]