31513105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 43110144

約数和(自身を除く): 11597039

約数列:

[1, 5, 13, 23, 65, 107, 115, 197, 299, 535, 985, 1391, 1495, 2461, 2561, 4531, 6955, 12305, 12805, 21079, 22655, 31993, 58903, 105395, 159965, 274027, 294515, 484817, 1370135, 2424085, 6302621, 31513105]

約数ペア:

[(1, 31513105), (5, 6302621), (13, 2424085), (23, 1370135), (65, 484817), (107, 294515), (115, 274027), (197, 159965), (299, 105395), (535, 58903), (985, 31993), (1391, 22655), (1495, 21079), (2461, 12805), (2561, 12305), (4531, 6955)]