72118718

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1979}}^1$

素因数の和:2144

約数の個数: 32

約数和(自身を含む): 131155200

約数和(自身を除く): 59036482

約数列:

[1, 2, 7, 14, 19, 38, 133, 137, 266, 274, 959, 1918, 1979, 2603, 3958, 5206, 13853, 18221, 27706, 36442, 37601, 75202, 263207, 271123, 526414, 542246, 1897861, 3795722, 5151337, 10302674, 36059359, 72118718]

約数ペア:

[(1, 72118718), (2, 36059359), (7, 10302674), (14, 5151337), (19, 3795722), (38, 1897861), (133, 542246), (137, 526414), (266, 271123), (274, 263207), (959, 75202), (1918, 37601), (1979, 36442), (2603, 27706), (3958, 18221), (5206, 13853)]