987870147290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{205378409}}^1$

素因数の和:205378466

約数の個数: 32

約数和(自身を含む): 1966703654160

約数和(自身を除く): 978833506870

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 205378409, 410756818, 1026892045, 2053784090, 2669919317, 5339838634, 7599001133, 13349596585, 15198002266, 26699193170, 37995005665, 75990011330, 98787014729, 197574029458, 493935073645, 987870147290]

約数ペア:

[(1, 987870147290), (2, 493935073645), (5, 197574029458), (10, 98787014729), (13, 75990011330), (26, 37995005665), (37, 26699193170), (65, 15198002266), (74, 13349596585), (130, 7599001133), (185, 5339838634), (370, 2669919317), (481, 2053784090), (962, 1026892045), (2405, 410756818), (4810, 205378409)]