128779314

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 278087040

約数和(自身を除く): 149307726

約数列:

[1, 2, 3, 6, 29, 37, 58, 74, 83, 87, 111, 166, 174, 222, 241, 249, 482, 498, 723, 1073, 1446, 2146, 2407, 3071, 3219, 4814, 6142, 6438, 6989, 7221, 8917, 9213, 13978, 14442, 17834, 18426, 20003, 20967, 26751, 40006, 41934, 53502, 60009, 89059, 120018, 178118, 258593, 267177, 517186, 534354, 580087, 740111, 775779, 1160174, 1480222, 1551558, 1740261, 2220333, 3480522, 4440666, 21463219, 42926438, 64389657, 128779314]

約数ペア:

[(1, 128779314), (2, 64389657), (3, 42926438), (6, 21463219), (29, 4440666), (37, 3480522), (58, 2220333), (74, 1740261), (83, 1551558), (87, 1480222), (111, 1160174), (166, 775779), (174, 740111), (222, 580087), (241, 534354), (249, 517186), (482, 267177), (498, 258593), (723, 178118), (1073, 120018), (1446, 89059), (2146, 60009), (2407, 53502), (3071, 41934), (3219, 40006), (4814, 26751), (6142, 20967), (6438, 20003), (6989, 18426), (7221, 17834), (8917, 14442), (9213, 13978)]