215366975980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{1312733}}^1$

素因数の和:1313386

約数の個数: 48

約数和(自身を含む): 487832958144

約数和(自身を除く): 272465982164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 631, 1262, 2524, 3155, 6310, 8203, 12620, 16406, 32812, 41015, 82030, 164060, 1312733, 2625466, 5250932, 6563665, 13127330, 17065529, 26254660, 34131058, 68262116, 85327645, 170655290, 341310580, 828334523, 1656669046, 3313338092, 4141672615, 8283345230, 10768348799, 16566690460, 21536697598, 43073395196, 53841743995, 107683487990, 215366975980]

約数ペア:

[(1, 215366975980), (2, 107683487990), (4, 53841743995), (5, 43073395196), (10, 21536697598), (13, 16566690460), (20, 10768348799), (26, 8283345230), (52, 4141672615), (65, 3313338092), (130, 1656669046), (260, 828334523), (631, 341310580), (1262, 170655290), (2524, 85327645), (3155, 68262116), (6310, 34131058), (8203, 26254660), (12620, 17065529), (16406, 13127330), (32812, 6563665), (41015, 5250932), (82030, 2625466), (164060, 1312733)]