81451404

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{617}}^1$

素因数の和:839

約数の個数: 72

約数和(自身を含む): 218203440

約数和(自身を除く): 136752036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 193, 228, 342, 386, 579, 617, 684, 772, 1158, 1234, 1737, 1851, 2316, 2468, 3474, 3667, 3702, 5553, 6948, 7334, 7404, 11001, 11106, 11723, 14668, 22002, 22212, 23446, 33003, 35169, 44004, 46892, 66006, 70338, 105507, 119081, 132012, 140676, 211014, 238162, 357243, 422028, 476324, 714486, 1071729, 1428972, 2143458, 2262539, 4286916, 4525078, 6787617, 9050156, 13575234, 20362851, 27150468, 40725702, 81451404]

約数ペア:

[(1, 81451404), (2, 40725702), (3, 27150468), (4, 20362851), (6, 13575234), (9, 9050156), (12, 6787617), (18, 4525078), (19, 4286916), (36, 2262539), (38, 2143458), (57, 1428972), (76, 1071729), (114, 714486), (171, 476324), (193, 422028), (228, 357243), (342, 238162), (386, 211014), (579, 140676), (617, 132012), (684, 119081), (772, 105507), (1158, 70338), (1234, 66006), (1737, 46892), (1851, 44004), (2316, 35169), (2468, 33003), (3474, 23446), (3667, 22212), (3702, 22002), (5553, 14668), (6948, 11723), (7334, 11106), (7404, 11001)]