251012552

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 550800000

約数和(自身を除く): 299787448

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 149, 268, 298, 449, 469, 536, 596, 898, 938, 1043, 1192, 1796, 1876, 2086, 3143, 3592, 3752, 4172, 6286, 8344, 9983, 12572, 19966, 25144, 30083, 39932, 60166, 66901, 69881, 79864, 120332, 133802, 139762, 210581, 240664, 267604, 279524, 421162, 468307, 535208, 559048, 842324, 936614, 1684648, 1873228, 3746456, 4482367, 8964734, 17929468, 31376569, 35858936, 62753138, 125506276, 251012552]

約数ペア:

[(1, 251012552), (2, 125506276), (4, 62753138), (7, 35858936), (8, 31376569), (14, 17929468), (28, 8964734), (56, 4482367), (67, 3746456), (134, 1873228), (149, 1684648), (268, 936614), (298, 842324), (449, 559048), (469, 535208), (536, 468307), (596, 421162), (898, 279524), (938, 267604), (1043, 240664), (1192, 210581), (1796, 139762), (1876, 133802), (2086, 120332), (3143, 79864), (3592, 69881), (3752, 66901), (4172, 60166), (6286, 39932), (8344, 30083), (9983, 25144), (12572, 19966)]