172945705

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 221149440

約数和(自身を除く): 48203735

約数列:

[1, 5, 29, 71, 107, 145, 157, 355, 535, 785, 2059, 3103, 4553, 7597, 10295, 11147, 15515, 16799, 22765, 37985, 55735, 83995, 220313, 323263, 487171, 1101565, 1192729, 1616315, 2435855, 5963645, 34589141, 172945705]

約数ペア:

[(1, 172945705), (5, 34589141), (29, 5963645), (71, 2435855), (107, 1616315), (145, 1192729), (157, 1101565), (355, 487171), (535, 323263), (785, 220313), (2059, 83995), (3103, 55735), (4553, 37985), (7597, 22765), (10295, 16799), (11147, 15515)]