7805556

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{857}}^1$

素因数の和:901

約数の個数: 72

約数和(自身を含む): 22486464

約数和(自身を除く): 14680908

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 33, 36, 44, 46, 66, 69, 92, 99, 132, 138, 198, 207, 253, 276, 396, 414, 506, 759, 828, 857, 1012, 1518, 1714, 2277, 2571, 3036, 3428, 4554, 5142, 7713, 9108, 9427, 10284, 15426, 18854, 19711, 28281, 30852, 37708, 39422, 56562, 59133, 78844, 84843, 113124, 118266, 169686, 177399, 216821, 236532, 339372, 354798, 433642, 650463, 709596, 867284, 1300926, 1951389, 2601852, 3902778, 7805556]

約数ペア:

[(1, 7805556), (2, 3902778), (3, 2601852), (4, 1951389), (6, 1300926), (9, 867284), (11, 709596), (12, 650463), (18, 433642), (22, 354798), (23, 339372), (33, 236532), (36, 216821), (44, 177399), (46, 169686), (66, 118266), (69, 113124), (92, 84843), (99, 78844), (132, 59133), (138, 56562), (198, 39422), (207, 37708), (253, 30852), (276, 28281), (396, 19711), (414, 18854), (506, 15426), (759, 10284), (828, 9427), (857, 9108), (1012, 7713), (1518, 5142), (1714, 4554), (2277, 3428), (2571, 3036)]