81575158

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 154441728

約数和(自身を除く): 72866570

約数列:

[1, 2, 7, 14, 23, 37, 41, 46, 74, 82, 161, 167, 259, 287, 322, 334, 518, 574, 851, 943, 1169, 1517, 1702, 1886, 2338, 3034, 3841, 5957, 6179, 6601, 6847, 7682, 10619, 11914, 12358, 13202, 13694, 21238, 26887, 34891, 43253, 47929, 53774, 69782, 86506, 95858, 142117, 157481, 244237, 253339, 284234, 314962, 488474, 506678, 994819, 1102367, 1773373, 1989638, 2204734, 3546746, 5826797, 11653594, 40787579, 81575158]

約数ペア:

[(1, 81575158), (2, 40787579), (7, 11653594), (14, 5826797), (23, 3546746), (37, 2204734), (41, 1989638), (46, 1773373), (74, 1102367), (82, 994819), (161, 506678), (167, 488474), (259, 314962), (287, 284234), (322, 253339), (334, 244237), (518, 157481), (574, 142117), (851, 95858), (943, 86506), (1169, 69782), (1517, 53774), (1702, 47929), (1886, 43253), (2338, 34891), (3034, 26887), (3841, 21238), (5957, 13694), (6179, 13202), (6601, 12358), (6847, 11914), (7682, 10619)]