28043722

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 49455360

約数和(自身を除く): 21411638

約数列:

[1, 2, 7, 14, 71, 89, 142, 178, 317, 497, 623, 634, 994, 1246, 2219, 4438, 6319, 12638, 22507, 28213, 44233, 45014, 56426, 88466, 157549, 197491, 315098, 394982, 2003123, 4006246, 14021861, 28043722]

約数ペア:

[(1, 28043722), (2, 14021861), (7, 4006246), (14, 2003123), (71, 394982), (89, 315098), (142, 197491), (178, 157549), (317, 88466), (497, 56426), (623, 45014), (634, 44233), (994, 28213), (1246, 22507), (2219, 12638), (4438, 6319)]