1680493650455

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{2647}}^1\times {\mathrm{22541}}^1$

素因数の和:25367

約数の個数: 32

約数和(自身を含む): 2080119495168

約数和(自身を除く): 399625844713

約数列:

[1, 5, 43, 131, 215, 655, 2647, 5633, 13235, 22541, 28165, 112705, 113821, 346757, 569105, 969263, 1733785, 2952871, 4846315, 14764355, 14910551, 59666027, 74552755, 126973453, 298330135, 634867265, 2565639161, 7816249537, 12828195805, 39081247685, 336098730091, 1680493650455]

約数ペア:

[(1, 1680493650455), (5, 336098730091), (43, 39081247685), (131, 12828195805), (215, 7816249537), (655, 2565639161), (2647, 634867265), (5633, 298330135), (13235, 126973453), (22541, 74552755), (28165, 59666027), (112705, 14910551), (113821, 14764355), (346757, 4846315), (569105, 2952871), (969263, 1733785)]