172872485

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 223388928

約数和(自身を除く): 50516443

約数列:

[1, 5, 23, 53, 113, 115, 251, 265, 565, 1219, 1255, 2599, 5773, 5989, 6095, 12995, 13303, 28363, 28865, 29945, 66515, 137747, 141815, 305969, 652349, 688735, 1503239, 1529845, 3261745, 7516195, 34574497, 172872485]

約数ペア:

[(1, 172872485), (5, 34574497), (23, 7516195), (53, 3261745), (113, 1529845), (115, 1503239), (251, 688735), (265, 652349), (565, 305969), (1219, 141815), (1255, 137747), (2599, 66515), (5773, 29945), (5989, 28865), (6095, 28363), (12995, 13303)]