7971980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23447}}^1$

素因数の和:23473

約数の個数: 24

約数和(自身を含む): 17726688

約数和(自身を除く): 9754708

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 23447, 46894, 93788, 117235, 234470, 398599, 468940, 797198, 1594396, 1992995, 3985990, 7971980]

約数ペア:

[(1, 7971980), (2, 3985990), (4, 1992995), (5, 1594396), (10, 797198), (17, 468940), (20, 398599), (34, 234470), (68, 117235), (85, 93788), (170, 46894), (340, 23447)]