213590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:104

約数の個数: 32

約数和(自身を含む): 435456

約数和(自身を除く): 221866

約数列:

[1, 2, 5, 10, 13, 26, 31, 53, 62, 65, 106, 130, 155, 265, 310, 403, 530, 689, 806, 1378, 1643, 2015, 3286, 3445, 4030, 6890, 8215, 16430, 21359, 42718, 106795, 213590]

約数ペア:

[(1, 213590), (2, 106795), (5, 42718), (10, 21359), (13, 16430), (26, 8215), (31, 6890), (53, 4030), (62, 3445), (65, 3286), (106, 2015), (130, 1643), (155, 1378), (265, 806), (310, 689), (403, 530)]