165221245

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4073}}^1$

素因数の和:4165

約数の個数: 32

約数和(自身を含む): 242484480

約数和(自身を除く): 77263235

約数列:

[1, 5, 7, 19, 35, 61, 95, 133, 305, 427, 665, 1159, 2135, 4073, 5795, 8113, 20365, 28511, 40565, 77387, 142555, 248453, 386935, 541709, 1242265, 1739171, 2708545, 4720607, 8695855, 23603035, 33044249, 165221245]

約数ペア:

[(1, 165221245), (5, 33044249), (7, 23603035), (19, 8695855), (35, 4720607), (61, 2708545), (95, 1739171), (133, 1242265), (305, 541709), (427, 386935), (665, 248453), (1159, 142555), (2135, 77387), (4073, 40565), (5795, 28511), (8113, 20365)]