201715865

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 278909568

約数和(自身を除く): 77193703

約数列:

[1, 5, 13, 23, 65, 97, 107, 115, 169, 299, 485, 535, 845, 1261, 1391, 1495, 2231, 2461, 3887, 6305, 6955, 10379, 11155, 12305, 16393, 18083, 19435, 29003, 31993, 51895, 81965, 90415, 134927, 145015, 159965, 238717, 377039, 415909, 674635, 1193585, 1754051, 1885195, 2079545, 3103321, 8770255, 15516605, 40343173, 201715865]

約数ペア:

[(1, 201715865), (5, 40343173), (13, 15516605), (23, 8770255), (65, 3103321), (97, 2079545), (107, 1885195), (115, 1754051), (169, 1193585), (299, 674635), (485, 415909), (535, 377039), (845, 238717), (1261, 159965), (1391, 145015), (1495, 134927), (2231, 90415), (2461, 81965), (3887, 51895), (6305, 31993), (6955, 29003), (10379, 19435), (11155, 18083), (12305, 16393)]