491551870

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{6277}}^1$

素因数の和:6516

約数の個数: 32

約数和(自身を含む): 911264256

約数和(自身を除く): 419712386

約数列:

[1, 2, 5, 10, 41, 82, 191, 205, 382, 410, 955, 1910, 6277, 7831, 12554, 15662, 31385, 39155, 62770, 78310, 257357, 514714, 1198907, 1286785, 2397814, 2573570, 5994535, 11989070, 49155187, 98310374, 245775935, 491551870]

約数ペア:

[(1, 491551870), (2, 245775935), (5, 98310374), (10, 49155187), (41, 11989070), (82, 5994535), (191, 2573570), (205, 2397814), (382, 1286785), (410, 1198907), (955, 514714), (1910, 257357), (6277, 78310), (7831, 62770), (12554, 39155), (15662, 31385)]