28076165

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 37768416

約数和(自身を除く): 9692251

約数列:

[1, 5, 13, 61, 65, 73, 97, 305, 365, 485, 793, 949, 1261, 3965, 4453, 4745, 5917, 6305, 7081, 22265, 29585, 35405, 57889, 76921, 92053, 289445, 384605, 431941, 460265, 2159705, 5615233, 28076165]

約数ペア:

[(1, 28076165), (5, 5615233), (13, 2159705), (61, 460265), (65, 431941), (73, 384605), (97, 289445), (305, 92053), (365, 76921), (485, 57889), (793, 35405), (949, 29585), (1261, 22265), (3965, 7081), (4453, 6305), (4745, 5917)]