397424014

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{191}}^2\times {\mathrm{419}}^1$

素因数の和:816

約数の個数: 24

約数和(自身を含む): 646911720

約数和(自身を除く): 249487706

約数列:

[1, 2, 13, 26, 191, 382, 419, 838, 2483, 4966, 5447, 10894, 36481, 72962, 80029, 160058, 474253, 948506, 1040377, 2080754, 15285539, 30571078, 198712007, 397424014]

約数ペア:

[(1, 397424014), (2, 198712007), (13, 30571078), (26, 15285539), (191, 2080754), (382, 1040377), (419, 948506), (838, 474253), (2483, 160058), (4966, 80029), (5447, 72962), (10894, 36481)]