853385655785

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{1069}}^1\times {\mathrm{2617}}^1$

素因数の和:3755

約数の個数: 72

約数和(自身を含む): 1171873505880

約数和(自身を除く): 318487850095

約数列:

[1, 5, 13, 19, 65, 95, 169, 247, 361, 845, 1069, 1235, 1805, 2617, 3211, 4693, 5345, 13085, 13897, 16055, 20311, 23465, 34021, 49723, 61009, 69485, 101555, 170105, 180661, 248615, 264043, 305045, 385909, 442273, 646399, 903305, 944737, 1320215, 1929545, 2211365, 2797573, 3231995, 3432559, 4723685, 5016817, 8403187, 12281581, 13987865, 17162795, 25084085, 36368449, 42015935, 53153887, 61407905, 65218621, 159660553, 181842245, 265769435, 326093105, 472789837, 691000531, 798302765, 1009923853, 2363949185, 3455002655, 5049619265, 8983006903, 13129010089, 44915034515, 65645050445, 170677131157, 853385655785]

約数ペア:

[(1, 853385655785), (5, 170677131157), (13, 65645050445), (19, 44915034515), (65, 13129010089), (95, 8983006903), (169, 5049619265), (247, 3455002655), (361, 2363949185), (845, 1009923853), (1069, 798302765), (1235, 691000531), (1805, 472789837), (2617, 326093105), (3211, 265769435), (4693, 181842245), (5345, 159660553), (13085, 65218621), (13897, 61407905), (16055, 53153887), (20311, 42015935), (23465, 36368449), (34021, 25084085), (49723, 17162795), (61009, 13987865), (69485, 12281581), (101555, 8403187), (170105, 5016817), (180661, 4723685), (248615, 3432559), (264043, 3231995), (305045, 2797573), (385909, 2211365), (442273, 1929545), (646399, 1320215), (903305, 944737)]