420988

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 804384

約数和(自身を除く): 383396

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 151, 164, 302, 604, 697, 1394, 2567, 2788, 5134, 6191, 10268, 12382, 24764, 105247, 210494, 420988]

約数ペア:

[(1, 420988), (2, 210494), (4, 105247), (17, 24764), (34, 12382), (41, 10268), (68, 6191), (82, 5134), (151, 2788), (164, 2567), (302, 1394), (604, 697)]