28661887

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{659}}^1$

素因数の和:774

約数の個数: 16

約数和(自身を含む): 31426560

約数和(自身を除く): 2764673

約数列:

[1, 23, 31, 61, 659, 713, 1403, 1891, 15157, 20429, 40199, 43493, 469867, 924577, 1246169, 28661887]

約数ペア:

[(1, 28661887), (23, 1246169), (31, 924577), (61, 469867), (659, 43493), (713, 40199), (1403, 20429), (1891, 15157)]