1557889718812

素因数分解:

$2^2\times 7^1\times {\mathrm{691}}^1\times {\mathrm{80519419}}^1$

素因数の和:80520121

約数の個数: 24

約数和(自身を含む): 3120288563840

約数和(自身を除く): 1562398845028

約数列:

[1, 2, 4, 7, 14, 28, 691, 1382, 2764, 4837, 9674, 19348, 80519419, 161038838, 322077676, 563635933, 1127271866, 2254543732, 55638918529, 111277837058, 222555674116, 389472429703, 778944859406, 1557889718812]

約数ペア:

[(1, 1557889718812), (2, 778944859406), (4, 389472429703), (7, 222555674116), (14, 111277837058), (28, 55638918529), (691, 2254543732), (1382, 1127271866), (2764, 563635933), (4837, 322077676), (9674, 161038838), (19348, 80519419)]