4220528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:321

約数の個数: 40

約数和(自身を含む): 8936928

約数和(自身を除く): 4716400

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 103, 104, 197, 206, 208, 394, 412, 788, 824, 1339, 1576, 1648, 2561, 2678, 3152, 5122, 5356, 10244, 10712, 20291, 20488, 21424, 40582, 40976, 81164, 162328, 263783, 324656, 527566, 1055132, 2110264, 4220528]

約数ペア:

[(1, 4220528), (2, 2110264), (4, 1055132), (8, 527566), (13, 324656), (16, 263783), (26, 162328), (52, 81164), (103, 40976), (104, 40582), (197, 21424), (206, 20488), (208, 20291), (394, 10712), (412, 10244), (788, 5356), (824, 5122), (1339, 3152), (1576, 2678), (1648, 2561)]