123742684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{21059}}^1$

素因数の和:21189

約数の個数: 24

約数和(自身を含む): 235282320

約数和(自身を除く): 111539636

約数列:

[1, 2, 4, 13, 26, 52, 113, 226, 452, 1469, 2938, 5876, 21059, 42118, 84236, 273767, 547534, 1095068, 2379667, 4759334, 9518668, 30935671, 61871342, 123742684]

約数ペア:

[(1, 123742684), (2, 61871342), (4, 30935671), (13, 9518668), (26, 4759334), (52, 2379667), (113, 1095068), (226, 547534), (452, 273767), (1469, 84236), (2938, 42118), (5876, 21059)]