31715398

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{641}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 56300832

約数和(自身を除く): 24585434

約数列:

[1, 2, 11, 13, 22, 26, 143, 173, 286, 346, 641, 1282, 1903, 2249, 3806, 4498, 7051, 8333, 14102, 16666, 24739, 49478, 91663, 110893, 183326, 221786, 1219823, 1441609, 2439646, 2883218, 15857699, 31715398]

約数ペア:

[(1, 31715398), (2, 15857699), (11, 2883218), (13, 2439646), (22, 1441609), (26, 1219823), (143, 221786), (173, 183326), (286, 110893), (346, 91663), (641, 49478), (1282, 24739), (1903, 16666), (2249, 14102), (3806, 8333), (4498, 7051)]