28428250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{6689}}^1$

素因数の和:6723

約数の個数: 32

約数和(自身を含む): 56356560

約数和(自身を除く): 27928310

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 850, 2125, 4250, 6689, 13378, 33445, 66890, 113713, 167225, 227426, 334450, 568565, 836125, 1137130, 1672250, 2842825, 5685650, 14214125, 28428250]

約数ペア:

[(1, 28428250), (2, 14214125), (5, 5685650), (10, 2842825), (17, 1672250), (25, 1137130), (34, 836125), (50, 568565), (85, 334450), (125, 227426), (170, 167225), (250, 113713), (425, 66890), (850, 33445), (2125, 13378), (4250, 6689)]