81331572

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{138319}}^1$

素因数の和:138340

約数の個数: 36

約数和(自身を含む): 220758720

約数和(自身を除く): 139427148

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 138319, 276638, 414957, 553276, 829914, 968233, 1659828, 1936466, 2904699, 3872932, 5809398, 6777631, 11618796, 13555262, 20332893, 27110524, 40665786, 81331572]

約数ペア:

[(1, 81331572), (2, 40665786), (3, 27110524), (4, 20332893), (6, 13555262), (7, 11618796), (12, 6777631), (14, 5809398), (21, 3872932), (28, 2904699), (42, 1936466), (49, 1659828), (84, 968233), (98, 829914), (147, 553276), (196, 414957), (294, 276638), (588, 138319)]