216952710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{556289}}^1$

素因数の和:556312

約数の個数: 32

約数和(自身を含む): 560740320

約数和(自身を除く): 343787610

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 556289, 1112578, 1668867, 2781445, 3337734, 5562890, 7231757, 8344335, 14463514, 16688670, 21695271, 36158785, 43390542, 72317570, 108476355, 216952710]

約数ペア:

[(1, 216952710), (2, 108476355), (3, 72317570), (5, 43390542), (6, 36158785), (10, 21695271), (13, 16688670), (15, 14463514), (26, 8344335), (30, 7231757), (39, 5562890), (65, 3337734), (78, 2781445), (130, 1668867), (195, 1112578), (390, 556289)]