154995815

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 213486336

約数和(自身を除く): 58490521

約数列:

[1, 5, 13, 31, 61, 65, 97, 155, 169, 305, 403, 485, 793, 845, 1261, 1891, 2015, 3007, 3965, 5239, 5917, 6305, 9455, 10309, 15035, 16393, 24583, 26195, 29585, 39091, 51545, 76921, 81965, 122915, 183427, 195455, 319579, 384605, 508183, 917135, 999973, 1597895, 2384551, 2540915, 4999865, 11922755, 30999163, 154995815]

約数ペア:

[(1, 154995815), (5, 30999163), (13, 11922755), (31, 4999865), (61, 2540915), (65, 2384551), (97, 1597895), (155, 999973), (169, 917135), (305, 508183), (403, 384605), (485, 319579), (793, 195455), (845, 183427), (1261, 122915), (1891, 81965), (2015, 76921), (3007, 51545), (3965, 39091), (5239, 29585), (5917, 26195), (6305, 24583), (9455, 16393), (10309, 15035)]