217564230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{557857}}^1$

素因数の和:557880

約数の個数: 32

約数和(自身を含む): 562320864

約数和(自身を除く): 344756634

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 557857, 1115714, 1673571, 2789285, 3347142, 5578570, 7252141, 8367855, 14504282, 16735710, 21756423, 36260705, 43512846, 72521410, 108782115, 217564230]

約数ペア:

[(1, 217564230), (2, 108782115), (3, 72521410), (5, 43512846), (6, 36260705), (10, 21756423), (13, 16735710), (15, 14504282), (26, 8367855), (30, 7252141), (39, 5578570), (65, 3347142), (78, 2789285), (130, 1673571), (195, 1115714), (390, 557857)]