71785441

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{947}}^1$

素因数の和:998

約数の個数: 32

約数和(自身を含む): 95558400

約数和(自身を除く): 23772959

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 343, 637, 833, 947, 1547, 4459, 5831, 6629, 10829, 12311, 16099, 46403, 75803, 86177, 112693, 209287, 324821, 603239, 788851, 1465009, 4222673, 5521957, 10255063, 71785441]

約数ペア:

[(1, 71785441), (7, 10255063), (13, 5521957), (17, 4222673), (49, 1465009), (91, 788851), (119, 603239), (221, 324821), (343, 209287), (637, 112693), (833, 86177), (947, 75803), (1547, 46403), (4459, 16099), (5831, 12311), (6629, 10829)]