217871348

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{21169}}^1$

素因数の和:21287

約数の個数: 24

約数和(自身を含む): 398334720

約数和(自身を除く): 180463372

約数列:

[1, 2, 4, 31, 62, 83, 124, 166, 332, 2573, 5146, 10292, 21169, 42338, 84676, 656239, 1312478, 1757027, 2624956, 3514054, 7028108, 54467837, 108935674, 217871348]

約数ペア:

[(1, 217871348), (2, 108935674), (4, 54467837), (31, 7028108), (62, 3514054), (83, 2624956), (124, 1757027), (166, 1312478), (332, 656239), (2573, 84676), (5146, 42338), (10292, 21169)]