161123418

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:641

約数の個数: 80

約数和(自身を含む): 382003776

約数和(自身を除く): 220880358

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 83, 138, 162, 166, 207, 249, 414, 498, 521, 621, 747, 1042, 1242, 1494, 1563, 1863, 1909, 2241, 3126, 3726, 3818, 4482, 4689, 5727, 6723, 9378, 11454, 11983, 13446, 14067, 17181, 23966, 28134, 34362, 35949, 42201, 43243, 51543, 71898, 84402, 86486, 103086, 107847, 129729, 154629, 215694, 259458, 309258, 323541, 389187, 647082, 778374, 970623, 994589, 1167561, 1941246, 1989178, 2335122, 2983767, 3502683, 5967534, 7005366, 8951301, 17902602, 26853903, 53707806, 80561709, 161123418]

約数ペア:

[(1, 161123418), (2, 80561709), (3, 53707806), (6, 26853903), (9, 17902602), (18, 8951301), (23, 7005366), (27, 5967534), (46, 3502683), (54, 2983767), (69, 2335122), (81, 1989178), (83, 1941246), (138, 1167561), (162, 994589), (166, 970623), (207, 778374), (249, 647082), (414, 389187), (498, 323541), (521, 309258), (621, 259458), (747, 215694), (1042, 154629), (1242, 129729), (1494, 107847), (1563, 103086), (1863, 86486), (1909, 84402), (2241, 71898), (3126, 51543), (3726, 43243), (3818, 42201), (4482, 35949), (4689, 34362), (5727, 28134), (6723, 23966), (9378, 17181), (11454, 14067), (11983, 13446)]