287788345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{7517}}^1$

素因数の和:7585

約数の個数: 32

約数和(自身を含む): 404167680

約数和(自身を除く): 116379335

約数列:

[1, 5, 13, 19, 31, 65, 95, 155, 247, 403, 589, 1235, 2015, 2945, 7517, 7657, 37585, 38285, 97721, 142823, 233027, 488605, 714115, 1165135, 1856699, 3029351, 4427513, 9283495, 15146755, 22137565, 57557669, 287788345]

約数ペア:

[(1, 287788345), (5, 57557669), (13, 22137565), (19, 15146755), (31, 9283495), (65, 4427513), (95, 3029351), (155, 1856699), (247, 1165135), (403, 714115), (589, 488605), (1235, 233027), (2015, 142823), (2945, 97721), (7517, 38285), (7657, 37585)]