212712479

素因数分解:

$7^3\times {\mathrm{53}}^1\times {\mathrm{11701}}^1$

素因数の和:11775

約数の個数: 16

約数和(自身を含む): 252763200

約数和(自身を除く): 40050721

約数列:

[1, 7, 49, 53, 343, 371, 2597, 11701, 18179, 81907, 573349, 620153, 4013443, 4341071, 30387497, 212712479]

約数ペア:

[(1, 212712479), (7, 30387497), (49, 4341071), (53, 4013443), (343, 620153), (371, 573349), (2597, 81907), (11701, 18179)]