2227792775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{991}}^1\times {\mathrm{6917}}^1$

素因数の和:7931

約数の個数: 24

約数和(自身を含む): 2978392704

約数和(自身を除く): 750599929

約数列:

[1, 5, 13, 25, 65, 325, 991, 4955, 6917, 12883, 24775, 34585, 64415, 89921, 172925, 322075, 449605, 2248025, 6854747, 34273735, 89111711, 171368675, 445558555, 2227792775]

約数ペア:

[(1, 2227792775), (5, 445558555), (13, 171368675), (25, 89111711), (65, 34273735), (325, 6854747), (991, 2248025), (4955, 449605), (6917, 322075), (12883, 172925), (24775, 89921), (34585, 64415)]