72241432

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{647}}^1\times {\mathrm{821}}^1$

素因数の和:1491

約数の個数: 32

約数和(自身を含む): 143817120

約数和(自身を除く): 71575688

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 647, 821, 1294, 1642, 2588, 3284, 5176, 6568, 10999, 13957, 21998, 27914, 43996, 55828, 87992, 111656, 531187, 1062374, 2124748, 4249496, 9030179, 18060358, 36120716, 72241432]

約数ペア:

[(1, 72241432), (2, 36120716), (4, 18060358), (8, 9030179), (17, 4249496), (34, 2124748), (68, 1062374), (136, 531187), (647, 111656), (821, 87992), (1294, 55828), (1642, 43996), (2588, 27914), (3284, 21998), (5176, 13957), (6568, 10999)]