31388344

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2203}}^1$

素因数の和:2359

約数の個数: 32

約数和(自身を含む): 63871920

約数和(自身を除く): 32483576

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 137, 274, 548, 1096, 1781, 2203, 3562, 4406, 7124, 8812, 14248, 17624, 28639, 57278, 114556, 229112, 301811, 603622, 1207244, 2414488, 3923543, 7847086, 15694172, 31388344]

約数ペア:

[(1, 31388344), (2, 15694172), (4, 7847086), (8, 3923543), (13, 2414488), (26, 1207244), (52, 603622), (104, 301811), (137, 229112), (274, 114556), (548, 57278), (1096, 28639), (1781, 17624), (2203, 14248), (3562, 8812), (4406, 7124)]