7918456

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 18648000

約数和(自身を除く): 10729544

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 73, 91, 104, 146, 149, 182, 292, 298, 364, 511, 584, 596, 728, 949, 1022, 1043, 1192, 1898, 1937, 2044, 2086, 3796, 3874, 4088, 4172, 6643, 7592, 7748, 8344, 10877, 13286, 13559, 15496, 21754, 26572, 27118, 43508, 53144, 54236, 76139, 87016, 108472, 141401, 152278, 282802, 304556, 565604, 609112, 989807, 1131208, 1979614, 3959228, 7918456]

約数ペア:

[(1, 7918456), (2, 3959228), (4, 1979614), (7, 1131208), (8, 989807), (13, 609112), (14, 565604), (26, 304556), (28, 282802), (52, 152278), (56, 141401), (73, 108472), (91, 87016), (104, 76139), (146, 54236), (149, 53144), (182, 43508), (292, 27118), (298, 26572), (364, 21754), (511, 15496), (584, 13559), (596, 13286), (728, 10877), (949, 8344), (1022, 7748), (1043, 7592), (1192, 6643), (1898, 4172), (1937, 4088), (2044, 3874), (2086, 3796)]