31071326

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:237

約数の個数: 48

約数和(自身を含む): 56366928

約数和(自身を除く): 25295602

約数列:

[1, 2, 11, 13, 22, 26, 61, 122, 137, 143, 169, 274, 286, 338, 671, 793, 1342, 1507, 1586, 1781, 1859, 3014, 3562, 3718, 8357, 8723, 10309, 16714, 17446, 19591, 20618, 23153, 39182, 46306, 91927, 108641, 113399, 183854, 217282, 226798, 254683, 509366, 1195051, 1412333, 2390102, 2824666, 15535663, 31071326]

約数ペア:

[(1, 31071326), (2, 15535663), (11, 2824666), (13, 2390102), (22, 1412333), (26, 1195051), (61, 509366), (122, 254683), (137, 226798), (143, 217282), (169, 183854), (274, 113399), (286, 108641), (338, 91927), (671, 46306), (793, 39182), (1342, 23153), (1507, 20618), (1586, 19591), (1781, 17446), (1859, 16714), (3014, 10309), (3562, 8723), (3718, 8357)]