1321264

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:313

約数の個数: 40

約数和(自身を含む): 2999808

約数和(自身を除く): 1678544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 251, 329, 376, 502, 658, 752, 1004, 1316, 1757, 2008, 2632, 3514, 4016, 5264, 7028, 11797, 14056, 23594, 28112, 47188, 82579, 94376, 165158, 188752, 330316, 660632, 1321264]

約数ペア:

[(1, 1321264), (2, 660632), (4, 330316), (7, 188752), (8, 165158), (14, 94376), (16, 82579), (28, 47188), (47, 28112), (56, 23594), (94, 14056), (112, 11797), (188, 7028), (251, 5264), (329, 4016), (376, 3514), (502, 2632), (658, 2008), (752, 1757), (1004, 1316)]