220563497

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{359}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 282009600

約数和(自身を除く): 61446103

約数列:

[1, 7, 11, 77, 79, 101, 359, 553, 707, 869, 1111, 2513, 3949, 6083, 7777, 7979, 27643, 28361, 36259, 55853, 87769, 198527, 253813, 311971, 398849, 614383, 2183797, 2791943, 2864461, 20051227, 31509071, 220563497]

約数ペア:

[(1, 220563497), (7, 31509071), (11, 20051227), (77, 2864461), (79, 2791943), (101, 2183797), (359, 614383), (553, 398849), (707, 311971), (869, 253813), (1111, 198527), (2513, 87769), (3949, 55853), (6083, 36259), (7777, 28361), (7979, 27643)]