201821668

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{613}}^1\times {\mathrm{1553}}^1$

素因数の和:2223

約数の個数: 24

約数和(自身を含む): 360670968

約数和(自身を除く): 158849300

約数列:

[1, 2, 4, 53, 106, 212, 613, 1226, 1553, 2452, 3106, 6212, 32489, 64978, 82309, 129956, 164618, 329236, 951989, 1903978, 3807956, 50455417, 100910834, 201821668]

約数ペア:

[(1, 201821668), (2, 100910834), (4, 50455417), (53, 3807956), (106, 1903978), (212, 951989), (613, 329236), (1226, 164618), (1553, 129956), (2452, 82309), (3106, 64978), (6212, 32489)]