64550885

素因数分解:

$5^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:335

約数の個数: 40

約数和(自身を含む): 95458080

約数和(自身を除く): 30907195

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 283, 343, 665, 931, 1415, 1715, 1981, 2401, 4655, 5377, 6517, 9905, 12005, 13867, 26885, 32585, 37639, 45619, 69335, 97069, 188195, 228095, 263473, 485345, 679483, 1317365, 1844311, 3397415, 9221555, 12910177, 64550885]

約数ペア:

[(1, 64550885), (5, 12910177), (7, 9221555), (19, 3397415), (35, 1844311), (49, 1317365), (95, 679483), (133, 485345), (245, 263473), (283, 228095), (343, 188195), (665, 97069), (931, 69335), (1415, 45619), (1715, 37639), (1981, 32585), (2401, 26885), (4655, 13867), (5377, 12005), (6517, 9905)]