722321330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{47741}}^1$

素因数の和:47854

約数の個数: 32

約数和(自身を含む): 1392156720

約数和(自身を除く): 669835390

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 445, 890, 1513, 3026, 7565, 15130, 47741, 95482, 238705, 477410, 811597, 1623194, 4057985, 4248949, 8115970, 8497898, 21244745, 42489490, 72232133, 144464266, 361160665, 722321330]

約数ペア:

[(1, 722321330), (2, 361160665), (5, 144464266), (10, 72232133), (17, 42489490), (34, 21244745), (85, 8497898), (89, 8115970), (170, 4248949), (178, 4057985), (445, 1623194), (890, 811597), (1513, 477410), (3026, 238705), (7565, 95482), (15130, 47741)]