55872509

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 72990720

約数和(自身を除く): 17118211

約数列:

[1, 7, 11, 31, 77, 89, 217, 263, 341, 623, 979, 1841, 2387, 2759, 2893, 6853, 8153, 19313, 20251, 23407, 30349, 57071, 89683, 163849, 212443, 257477, 627781, 725617, 1802339, 5079319, 7981787, 55872509]

約数ペア:

[(1, 55872509), (7, 7981787), (11, 5079319), (31, 1802339), (77, 725617), (89, 627781), (217, 257477), (263, 212443), (341, 163849), (623, 89683), (979, 57071), (1841, 30349), (2387, 23407), (2759, 20251), (2893, 19313), (6853, 8153)]