919828

素因数分解:

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

素因数の和:69

約数の個数: 54

約数和(自身を含む): 2128266

約数和(自身を除く): 1208438

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 182, 196, 247, 266, 361, 364, 494, 532, 637, 722, 931, 988, 1274, 1444, 1729, 1862, 2527, 2548, 3458, 3724, 4693, 5054, 6916, 9386, 10108, 12103, 17689, 18772, 24206, 32851, 35378, 48412, 65702, 70756, 131404, 229957, 459914, 919828]

約数ペア:

[(1, 919828), (2, 459914), (4, 229957), (7, 131404), (13, 70756), (14, 65702), (19, 48412), (26, 35378), (28, 32851), (38, 24206), (49, 18772), (52, 17689), (76, 12103), (91, 10108), (98, 9386), (133, 6916), (182, 5054), (196, 4693), (247, 3724), (266, 3458), (361, 2548), (364, 2527), (494, 1862), (532, 1729), (637, 1444), (722, 1274), (931, 988)]