31105144

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^2\times {\mathrm{89}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 68266800

約数和(自身を除く): 37161656

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 89, 158, 178, 316, 356, 553, 623, 632, 712, 1106, 1246, 2212, 2492, 4424, 4984, 6241, 7031, 12482, 14062, 24964, 28124, 43687, 49217, 49928, 56248, 87374, 98434, 174748, 196868, 349496, 393736, 555449, 1110898, 2221796, 3888143, 4443592, 7776286, 15552572, 31105144]

約数ペア:

[(1, 31105144), (2, 15552572), (4, 7776286), (7, 4443592), (8, 3888143), (14, 2221796), (28, 1110898), (56, 555449), (79, 393736), (89, 349496), (158, 196868), (178, 174748), (316, 98434), (356, 87374), (553, 56248), (623, 49928), (632, 49217), (712, 43687), (1106, 28124), (1246, 24964), (2212, 14062), (2492, 12482), (4424, 7031), (4984, 6241)]