251234416

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{503}}^1$

素因数の和:614

約数の個数: 80

約数和(自身を含む): 539965440

約数和(自身を除く): 288731024

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 53, 62, 76, 106, 124, 152, 212, 248, 304, 424, 496, 503, 589, 848, 1006, 1007, 1178, 1643, 2012, 2014, 2356, 3286, 4024, 4028, 4712, 6572, 8048, 8056, 9424, 9557, 13144, 15593, 16112, 19114, 26288, 26659, 31186, 31217, 38228, 53318, 62372, 62434, 76456, 106636, 124744, 124868, 152912, 213272, 249488, 249736, 296267, 426544, 499472, 506521, 592534, 826429, 1013042, 1185068, 1652858, 2026084, 2370136, 3305716, 4052168, 4740272, 6611432, 8104336, 13222864, 15702151, 31404302, 62808604, 125617208, 251234416]

約数ペア:

[(1, 251234416), (2, 125617208), (4, 62808604), (8, 31404302), (16, 15702151), (19, 13222864), (31, 8104336), (38, 6611432), (53, 4740272), (62, 4052168), (76, 3305716), (106, 2370136), (124, 2026084), (152, 1652858), (212, 1185068), (248, 1013042), (304, 826429), (424, 592534), (496, 506521), (503, 499472), (589, 426544), (848, 296267), (1006, 249736), (1007, 249488), (1178, 213272), (1643, 152912), (2012, 124868), (2014, 124744), (2356, 106636), (3286, 76456), (4024, 62434), (4028, 62372), (4712, 53318), (6572, 38228), (8048, 31217), (8056, 31186), (9424, 26659), (9557, 26288), (13144, 19114), (15593, 16112)]