289730065

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{881}}^1$

素因数の和:1029

約数の個数: 32

約数和(自身を含む): 380642976

約数和(自身を除く): 90912911

約数列:

[1, 5, 17, 53, 73, 85, 265, 365, 881, 901, 1241, 3869, 4405, 4505, 6205, 14977, 19345, 46693, 64313, 65773, 74885, 233465, 321565, 328865, 793781, 1093321, 3408589, 3968905, 5466605, 17042945, 57946013, 289730065]

約数ペア:

[(1, 289730065), (5, 57946013), (17, 17042945), (53, 5466605), (73, 3968905), (85, 3408589), (265, 1093321), (365, 793781), (881, 328865), (901, 321565), (1241, 233465), (3869, 74885), (4405, 65773), (4505, 64313), (6205, 46693), (14977, 19345)]