393949488

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:263

約数の個数: 160

約数和(自身を含む): 1106214912

約数和(自身を除く): 712265424

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 43, 47, 48, 62, 86, 93, 94, 124, 129, 131, 141, 172, 186, 188, 248, 258, 262, 282, 344, 372, 376, 393, 496, 516, 524, 564, 688, 744, 752, 786, 1032, 1048, 1128, 1333, 1457, 1488, 1572, 2021, 2064, 2096, 2256, 2666, 2914, 3144, 3999, 4042, 4061, 4371, 5332, 5633, 5828, 6063, 6157, 6288, 7998, 8084, 8122, 8742, 10664, 11266, 11656, 12126, 12183, 12314, 15996, 16168, 16244, 16899, 17484, 18471, 21328, 22532, 23312, 24252, 24366, 24628, 31992, 32336, 32488, 33798, 34968, 36942, 45064, 48504, 48732, 49256, 62651, 63984, 64976, 67596, 69936, 73884, 90128, 97008, 97464, 98512, 125302, 135192, 147768, 174623, 187953, 190867, 194928, 250604, 264751, 270384, 295536, 349246, 375906, 381734, 501208, 523869, 529502, 572601, 698492, 751812, 763468, 794253, 1002416, 1047738, 1059004, 1145202, 1396984, 1503624, 1526936, 1588506, 2095476, 2118008, 2290404, 2793968, 3007248, 3053872, 3177012, 4190952, 4236016, 4580808, 6354024, 8207281, 8381904, 9161616, 12708048, 16414562, 24621843, 32829124, 49243686, 65658248, 98487372, 131316496, 196974744, 393949488]

約数ペア:

[(1, 393949488), (2, 196974744), (3, 131316496), (4, 98487372), (6, 65658248), (8, 49243686), (12, 32829124), (16, 24621843), (24, 16414562), (31, 12708048), (43, 9161616), (47, 8381904), (48, 8207281), (62, 6354024), (86, 4580808), (93, 4236016), (94, 4190952), (124, 3177012), (129, 3053872), (131, 3007248), (141, 2793968), (172, 2290404), (186, 2118008), (188, 2095476), (248, 1588506), (258, 1526936), (262, 1503624), (282, 1396984), (344, 1145202), (372, 1059004), (376, 1047738), (393, 1002416), (496, 794253), (516, 763468), (524, 751812), (564, 698492), (688, 572601), (744, 529502), (752, 523869), (786, 501208), (1032, 381734), (1048, 375906), (1128, 349246), (1333, 295536), (1457, 270384), (1488, 264751), (1572, 250604), (2021, 194928), (2064, 190867), (2096, 187953), (2256, 174623), (2666, 147768), (2914, 135192), (3144, 125302), (3999, 98512), (4042, 97464), (4061, 97008), (4371, 90128), (5332, 73884), (5633, 69936), (5828, 67596), (6063, 64976), (6157, 63984), (6288, 62651), (7998, 49256), (8084, 48732), (8122, 48504), (8742, 45064), (10664, 36942), (11266, 34968), (11656, 33798), (12126, 32488), (12183, 32336), (12314, 31992), (15996, 24628), (16168, 24366), (16244, 24252), (16899, 23312), (17484, 22532), (18471, 21328)]