998700190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{345571}}^1$

素因数の和:345612

約数の個数: 24

約数和(自身を含む): 1909630872

約数和(自身を除く): 910930682

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 345571, 691142, 1727855, 3455710, 5874707, 11749414, 29373535, 58747070, 99870019, 199740038, 499350095, 998700190]

約数ペア:

[(1, 998700190), (2, 499350095), (5, 199740038), (10, 99870019), (17, 58747070), (34, 29373535), (85, 11749414), (170, 5874707), (289, 3455710), (578, 1727855), (1445, 691142), (2890, 345571)]