661605503

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 756725760

約数和(自身を除く): 95120257

約数列:

[1, 13, 31, 67, 107, 229, 403, 871, 1391, 2077, 2977, 3317, 7099, 7169, 15343, 24503, 27001, 43121, 92287, 93197, 199459, 222239, 318539, 475633, 759593, 1641701, 2889107, 6183229, 9874709, 21342113, 50892731, 661605503]

約数ペア:

[(1, 661605503), (13, 50892731), (31, 21342113), (67, 9874709), (107, 6183229), (229, 2889107), (403, 1641701), (871, 759593), (1391, 475633), (2077, 318539), (2977, 222239), (3317, 199459), (7099, 93197), (7169, 92287), (15343, 43121), (24503, 27001)]