31959473

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 42368256

約数和(自身を除く): 10408783

約数列:

[1, 7, 13, 17, 73, 91, 119, 221, 283, 511, 949, 1241, 1547, 1981, 3679, 4811, 6643, 8687, 16133, 20659, 25753, 33677, 62543, 112931, 144613, 268567, 351203, 437801, 1879969, 2458421, 4565639, 31959473]

約数ペア:

[(1, 31959473), (7, 4565639), (13, 2458421), (17, 1879969), (73, 437801), (91, 351203), (119, 268567), (221, 144613), (283, 112931), (511, 62543), (949, 33677), (1241, 25753), (1547, 20659), (1981, 16133), (3679, 8687), (4811, 6643)]