218914930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{4019}}^1$

素因数の和:4458

約数の個数: 32

約数和(自身を含む): 425476800

約数和(自身を除く): 206561870

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 419, 838, 2095, 4019, 4190, 5447, 8038, 10894, 20095, 27235, 40190, 52247, 54470, 104494, 261235, 522470, 1683961, 3367922, 8419805, 16839610, 21891493, 43782986, 109457465, 218914930]

約数ペア:

[(1, 218914930), (2, 109457465), (5, 43782986), (10, 21891493), (13, 16839610), (26, 8419805), (65, 3367922), (130, 1683961), (419, 522470), (838, 261235), (2095, 104494), (4019, 54470), (4190, 52247), (5447, 40190), (8038, 27235), (10894, 20095)]