643192290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{549737}}^1$

素因数の和:549763

約数の個数: 48

約数和(自身を含む): 1800941688

約数和(自身を除く): 1157749398

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 549737, 1099474, 1649211, 2748685, 3298422, 4947633, 5497370, 7146581, 8246055, 9895266, 14293162, 16492110, 21439743, 24738165, 35732905, 42879486, 49476330, 64319229, 71465810, 107198715, 128638458, 214397430, 321596145, 643192290]

約数ペア:

[(1, 643192290), (2, 321596145), (3, 214397430), (5, 128638458), (6, 107198715), (9, 71465810), (10, 64319229), (13, 49476330), (15, 42879486), (18, 35732905), (26, 24738165), (30, 21439743), (39, 16492110), (45, 14293162), (65, 9895266), (78, 8246055), (90, 7146581), (117, 5497370), (130, 4947633), (195, 3298422), (234, 2748685), (390, 1649211), (585, 1099474), (1170, 549737)]