156591172

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{389}}^1\times {\mathrm{641}}^1$

素因数の和:1191

約数の個数: 24

約数和(自身を含む): 276920280

約数和(自身を除く): 120329108

約数列:

[1, 2, 4, 157, 314, 389, 628, 641, 778, 1282, 1556, 2564, 61073, 100637, 122146, 201274, 244292, 249349, 402548, 498698, 997396, 39147793, 78295586, 156591172]

約数ペア:

[(1, 156591172), (2, 78295586), (4, 39147793), (157, 997396), (314, 498698), (389, 402548), (628, 249349), (641, 244292), (778, 201274), (1282, 122146), (1556, 100637), (2564, 61073)]