143744990

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1\times {\mathrm{557}}^1$

素因数の和:892

約数の個数: 32

約数和(自身を含む): 262509984

約数和(自身を除く): 118764994

約数列:

[1, 2, 5, 10, 131, 197, 262, 394, 557, 655, 985, 1114, 1310, 1970, 2785, 5570, 25807, 51614, 72967, 109729, 129035, 145934, 219458, 258070, 364835, 548645, 729670, 1097290, 14374499, 28748998, 71872495, 143744990]

約数ペア:

[(1, 143744990), (2, 71872495), (5, 28748998), (10, 14374499), (131, 1097290), (197, 729670), (262, 548645), (394, 364835), (557, 258070), (655, 219458), (985, 145934), (1114, 129035), (1310, 109729), (1970, 72967), (2785, 51614), (5570, 25807)]