1990291235

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{632843}}^1$

素因数の和:632902

約数の個数: 16

約数和(自身を含む): 2597191776

約数和(自身を除く): 606900541

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 632843, 3164215, 10758331, 23415191, 53791655, 117075955, 398058247, 1990291235]

約数ペア:

[(1, 1990291235), (5, 398058247), (17, 117075955), (37, 53791655), (85, 23415191), (185, 10758331), (629, 3164215), (3145, 632843)]