64985170

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 119180160

約数和(自身を除く): 54194990

約数列:

[1, 2, 5, 10, 113, 131, 226, 262, 439, 565, 655, 878, 1130, 1310, 2195, 4390, 14803, 29606, 49607, 57509, 74015, 99214, 115018, 148030, 248035, 287545, 496070, 575090, 6498517, 12997034, 32492585, 64985170]

約数ペア:

[(1, 64985170), (2, 32492585), (5, 12997034), (10, 6498517), (113, 575090), (131, 496070), (226, 287545), (262, 248035), (439, 148030), (565, 115018), (655, 99214), (878, 74015), (1130, 57509), (1310, 49607), (2195, 29606), (4390, 14803)]