721000770010

素因数分解:

$2^1\times 5^1\times {\mathrm{26801}}^1\times {\mathrm{2690201}}^1$

素因数の和:2717009

約数の個数: 16

約数和(自身を含む): 1297850292072

約数和(自身を除く): 576849522062

約数列:

[1, 2, 5, 10, 26801, 53602, 134005, 268010, 2690201, 5380402, 13451005, 26902010, 72100077001, 144200154002, 360500385005, 721000770010]

約数ペア:

[(1, 721000770010), (2, 360500385005), (5, 144200154002), (10, 72100077001), (26801, 26902010), (53602, 13451005), (134005, 5380402), (268010, 2690201)]