257873748

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:414

約数の個数: 144

約数和(自身を含む): 725018112

約数和(自身を除く): 467144364

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 31, 33, 34, 44, 51, 62, 66, 68, 93, 102, 121, 124, 132, 186, 187, 204, 242, 337, 341, 363, 372, 374, 484, 527, 561, 674, 682, 726, 748, 1011, 1023, 1054, 1122, 1348, 1364, 1452, 1581, 2022, 2046, 2057, 2108, 2244, 3162, 3707, 3751, 4044, 4092, 4114, 5729, 5797, 6171, 6324, 7414, 7502, 8228, 10447, 11121, 11253, 11458, 11594, 12342, 14828, 15004, 17187, 17391, 20894, 22242, 22506, 22916, 23188, 24684, 31341, 34374, 34782, 40777, 41788, 44484, 45012, 62682, 63019, 63767, 68748, 69564, 81554, 114917, 122331, 125364, 126038, 127534, 163108, 177599, 189057, 191301, 229834, 244662, 252076, 255068, 344751, 355198, 378114, 382602, 459668, 489324, 532797, 689502, 693209, 710396, 756228, 765204, 1065594, 1264087, 1379004, 1386418, 1953589, 2079627, 2131188, 2528174, 2772836, 3792261, 3907178, 4159254, 5056348, 5860767, 7584522, 7814356, 8318508, 11721534, 15169044, 21489479, 23443068, 42978958, 64468437, 85957916, 128936874, 257873748]

約数ペア:

[(1, 257873748), (2, 128936874), (3, 85957916), (4, 64468437), (6, 42978958), (11, 23443068), (12, 21489479), (17, 15169044), (22, 11721534), (31, 8318508), (33, 7814356), (34, 7584522), (44, 5860767), (51, 5056348), (62, 4159254), (66, 3907178), (68, 3792261), (93, 2772836), (102, 2528174), (121, 2131188), (124, 2079627), (132, 1953589), (186, 1386418), (187, 1379004), (204, 1264087), (242, 1065594), (337, 765204), (341, 756228), (363, 710396), (372, 693209), (374, 689502), (484, 532797), (527, 489324), (561, 459668), (674, 382602), (682, 378114), (726, 355198), (748, 344751), (1011, 255068), (1023, 252076), (1054, 244662), (1122, 229834), (1348, 191301), (1364, 189057), (1452, 177599), (1581, 163108), (2022, 127534), (2046, 126038), (2057, 125364), (2108, 122331), (2244, 114917), (3162, 81554), (3707, 69564), (3751, 68748), (4044, 63767), (4092, 63019), (4114, 62682), (5729, 45012), (5797, 44484), (6171, 41788), (6324, 40777), (7414, 34782), (7502, 34374), (8228, 31341), (10447, 24684), (11121, 23188), (11253, 22916), (11458, 22506), (11594, 22242), (12342, 20894), (14828, 17391), (15004, 17187)]