257850684

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2539}}^1$

素因数の和:2600

約数の個数: 144

約数和(自身を含む): 828405760

約数和(自身を除く): 570555076

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 31, 36, 39, 42, 52, 62, 63, 78, 84, 91, 93, 117, 124, 126, 156, 182, 186, 217, 234, 252, 273, 279, 364, 372, 403, 434, 468, 546, 558, 651, 806, 819, 868, 1092, 1116, 1209, 1302, 1612, 1638, 1953, 2418, 2539, 2604, 2821, 3276, 3627, 3906, 4836, 5078, 5642, 7254, 7617, 7812, 8463, 10156, 11284, 14508, 15234, 16926, 17773, 22851, 25389, 30468, 33007, 33852, 35546, 45702, 50778, 53319, 66014, 71092, 78709, 91404, 99021, 101556, 106638, 132028, 157418, 159957, 198042, 213276, 231049, 236127, 297063, 314836, 319914, 396084, 462098, 472254, 550963, 594126, 639828, 693147, 708381, 924196, 944508, 1023217, 1101926, 1188252, 1386294, 1416762, 1652889, 2046434, 2079441, 2203852, 2772588, 2833524, 3069651, 3305778, 4092868, 4158882, 4958667, 6139302, 6611556, 7162519, 8317764, 9208953, 9917334, 12278604, 14325038, 18417906, 19834668, 21487557, 28650076, 36835812, 42975114, 64462671, 85950228, 128925342, 257850684]

約数ペア:

[(1, 257850684), (2, 128925342), (3, 85950228), (4, 64462671), (6, 42975114), (7, 36835812), (9, 28650076), (12, 21487557), (13, 19834668), (14, 18417906), (18, 14325038), (21, 12278604), (26, 9917334), (28, 9208953), (31, 8317764), (36, 7162519), (39, 6611556), (42, 6139302), (52, 4958667), (62, 4158882), (63, 4092868), (78, 3305778), (84, 3069651), (91, 2833524), (93, 2772588), (117, 2203852), (124, 2079441), (126, 2046434), (156, 1652889), (182, 1416762), (186, 1386294), (217, 1188252), (234, 1101926), (252, 1023217), (273, 944508), (279, 924196), (364, 708381), (372, 693147), (403, 639828), (434, 594126), (468, 550963), (546, 472254), (558, 462098), (651, 396084), (806, 319914), (819, 314836), (868, 297063), (1092, 236127), (1116, 231049), (1209, 213276), (1302, 198042), (1612, 159957), (1638, 157418), (1953, 132028), (2418, 106638), (2539, 101556), (2604, 99021), (2821, 91404), (3276, 78709), (3627, 71092), (3906, 66014), (4836, 53319), (5078, 50778), (5642, 45702), (7254, 35546), (7617, 33852), (7812, 33007), (8463, 30468), (10156, 25389), (11284, 22851), (14508, 17773), (15234, 16926)]