31488358

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1061}}^1$

素因数の和:1164

約数の個数: 32

約数和(自身を含む): 55054080

約数和(自身を除く): 23565722

約数列:

[1, 2, 11, 19, 22, 38, 71, 142, 209, 418, 781, 1061, 1349, 1562, 2122, 2698, 11671, 14839, 20159, 23342, 29678, 40318, 75331, 150662, 221749, 443498, 828641, 1431289, 1657282, 2862578, 15744179, 31488358]

約数ペア:

[(1, 31488358), (2, 15744179), (11, 2862578), (19, 1657282), (22, 1431289), (38, 828641), (71, 443498), (142, 221749), (209, 150662), (418, 75331), (781, 40318), (1061, 29678), (1349, 23342), (1562, 20159), (2122, 14839), (2698, 11671)]