9900254

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 19630800

約数和(自身を除く): 9730546

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 91, 98, 133, 182, 247, 266, 409, 494, 637, 818, 931, 1274, 1729, 1862, 2863, 3458, 5317, 5726, 7771, 10634, 12103, 15542, 20041, 24206, 37219, 40082, 54397, 74438, 101023, 108794, 202046, 260533, 380779, 521066, 707161, 761558, 1414322, 4950127, 9900254]

約数ペア:

[(1, 9900254), (2, 4950127), (7, 1414322), (13, 761558), (14, 707161), (19, 521066), (26, 380779), (38, 260533), (49, 202046), (91, 108794), (98, 101023), (133, 74438), (182, 54397), (247, 40082), (266, 37219), (409, 24206), (494, 20041), (637, 15542), (818, 12103), (931, 10634), (1274, 7771), (1729, 5726), (1862, 5317), (2863, 3458)]