257932428

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{277}}^1$

素因数の和:471

約数の個数: 96

約数和(自身を含む): 669548544

約数和(自身を除く): 411616116

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 78, 94, 127, 141, 156, 188, 254, 277, 282, 381, 508, 554, 564, 611, 762, 831, 1108, 1222, 1524, 1651, 1662, 1833, 2444, 3302, 3324, 3601, 3666, 4953, 5969, 6604, 7202, 7332, 9906, 10803, 11938, 13019, 14404, 17907, 19812, 21606, 23876, 26038, 35179, 35814, 39057, 43212, 52076, 70358, 71628, 77597, 78114, 105537, 140716, 155194, 156228, 169247, 211074, 232791, 310388, 338494, 422148, 457327, 465582, 507741, 676988, 914654, 931164, 1015482, 1371981, 1653413, 1829308, 2030964, 2743962, 3306826, 4960239, 5487924, 6613652, 9920478, 19840956, 21494369, 42988738, 64483107, 85977476, 128966214, 257932428]

約数ペア:

[(1, 257932428), (2, 128966214), (3, 85977476), (4, 64483107), (6, 42988738), (12, 21494369), (13, 19840956), (26, 9920478), (39, 6613652), (47, 5487924), (52, 4960239), (78, 3306826), (94, 2743962), (127, 2030964), (141, 1829308), (156, 1653413), (188, 1371981), (254, 1015482), (277, 931164), (282, 914654), (381, 676988), (508, 507741), (554, 465582), (564, 457327), (611, 422148), (762, 338494), (831, 310388), (1108, 232791), (1222, 211074), (1524, 169247), (1651, 156228), (1662, 155194), (1833, 140716), (2444, 105537), (3302, 78114), (3324, 77597), (3601, 71628), (3666, 70358), (4953, 52076), (5969, 43212), (6604, 39057), (7202, 35814), (7332, 35179), (9906, 26038), (10803, 23876), (11938, 21606), (13019, 19812), (14404, 17907)]