215971210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{237331}}^1$

素因数の和:237358

約数の個数: 32

約数和(自身を含む): 478461312

約数和(自身を除く): 262490102

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 237331, 474662, 1186655, 1661317, 2373310, 3085303, 3322634, 6170606, 8306585, 15426515, 16613170, 21597121, 30853030, 43194242, 107985605, 215971210]

約数ペア:

[(1, 215971210), (2, 107985605), (5, 43194242), (7, 30853030), (10, 21597121), (13, 16613170), (14, 15426515), (26, 8306585), (35, 6170606), (65, 3322634), (70, 3085303), (91, 2373310), (130, 1661317), (182, 1186655), (455, 474662), (910, 237331)]