31042778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 54720456

約数和(自身を除く): 23677678

約数列:

[1, 2, 13, 23, 26, 37, 46, 61, 74, 122, 299, 481, 529, 598, 793, 851, 962, 1058, 1403, 1586, 1702, 2257, 2806, 4514, 6877, 11063, 13754, 18239, 19573, 22126, 29341, 32269, 36478, 39146, 51911, 58682, 64538, 103822, 254449, 419497, 508898, 674843, 838994, 1193953, 1349686, 2387906, 15521389, 31042778]

約数ペア:

[(1, 31042778), (2, 15521389), (13, 2387906), (23, 1349686), (26, 1193953), (37, 838994), (46, 674843), (61, 508898), (74, 419497), (122, 254449), (299, 103822), (481, 64538), (529, 58682), (598, 51911), (793, 39146), (851, 36478), (962, 32269), (1058, 29341), (1403, 22126), (1586, 19573), (1702, 18239), (2257, 13754), (2806, 11063), (4514, 6877)]