28628630

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1693}}^1$

素因数の和:1808

約数の個数: 32

約数和(自身を含む): 54885600

約数和(自身を除く): 26256970

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 445, 890, 1691, 1693, 3382, 3386, 8455, 8465, 16910, 16930, 32167, 64334, 150677, 160835, 301354, 321670, 753385, 1506770, 2862863, 5725726, 14314315, 28628630]

約数ペア:

[(1, 28628630), (2, 14314315), (5, 5725726), (10, 2862863), (19, 1506770), (38, 753385), (89, 321670), (95, 301354), (178, 160835), (190, 150677), (445, 64334), (890, 32167), (1691, 16930), (1693, 16910), (3382, 8465), (3386, 8455)]