281693776

素因数分解:

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

素因数の和:217

約数の個数: 120

約数和(自身を含む): 702288384

約数和(自身を除く): 420594608

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 79, 91, 104, 112, 124, 158, 182, 208, 217, 248, 316, 364, 403, 434, 496, 553, 632, 728, 806, 868, 1027, 1106, 1264, 1456, 1612, 1736, 2054, 2212, 2449, 2821, 3224, 3472, 4108, 4424, 4898, 5642, 6241, 6448, 7189, 8216, 8848, 9796, 11284, 12482, 14378, 16432, 17143, 19592, 22568, 24964, 28756, 31837, 34286, 39184, 43687, 45136, 49928, 57512, 63674, 68572, 81133, 87374, 99856, 115024, 127348, 137144, 162266, 174748, 193471, 222859, 254696, 274288, 324532, 349496, 386942, 445718, 509392, 567931, 649064, 698992, 773884, 891436, 1135862, 1298128, 1354297, 1547768, 1782872, 2271724, 2515123, 2708594, 3095536, 3565744, 4543448, 5030246, 5417188, 9086896, 10060492, 10834376, 17605861, 20120984, 21668752, 35211722, 40241968, 70423444, 140846888, 281693776]

約数ペア:

[(1, 281693776), (2, 140846888), (4, 70423444), (7, 40241968), (8, 35211722), (13, 21668752), (14, 20120984), (16, 17605861), (26, 10834376), (28, 10060492), (31, 9086896), (52, 5417188), (56, 5030246), (62, 4543448), (79, 3565744), (91, 3095536), (104, 2708594), (112, 2515123), (124, 2271724), (158, 1782872), (182, 1547768), (208, 1354297), (217, 1298128), (248, 1135862), (316, 891436), (364, 773884), (403, 698992), (434, 649064), (496, 567931), (553, 509392), (632, 445718), (728, 386942), (806, 349496), (868, 324532), (1027, 274288), (1106, 254696), (1264, 222859), (1456, 193471), (1612, 174748), (1736, 162266), (2054, 137144), (2212, 127348), (2449, 115024), (2821, 99856), (3224, 87374), (3472, 81133), (4108, 68572), (4424, 63674), (4898, 57512), (5642, 49928), (6241, 45136), (6448, 43687), (7189, 39184), (8216, 34286), (8848, 31837), (9796, 28756), (11284, 24964), (12482, 22568), (14378, 19592), (16432, 17143)]