1618910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 32

約数和(自身を含む): 3149280

約数和(自身を除く): 1530370

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 107, 170, 178, 214, 445, 535, 890, 1070, 1513, 1819, 3026, 3638, 7565, 9095, 9523, 15130, 18190, 19046, 47615, 95230, 161891, 323782, 809455, 1618910]

約数ペア:

[(1, 1618910), (2, 809455), (5, 323782), (10, 161891), (17, 95230), (34, 47615), (85, 19046), (89, 18190), (107, 15130), (170, 9523), (178, 9095), (214, 7565), (445, 3638), (535, 3026), (890, 1819), (1070, 1513)]