291222835

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1399}}^1$

素因数の和:1531

約数の個数: 32

約数和(自身を含む): 387072000

約数和(自身を除く): 95849165

約数列:

[1, 5, 17, 31, 79, 85, 155, 395, 527, 1343, 1399, 2449, 2635, 6715, 6995, 12245, 23783, 41633, 43369, 110521, 118915, 208165, 216845, 552605, 737273, 1878857, 3426151, 3686365, 9394285, 17130755, 58244567, 291222835]

約数ペア:

[(1, 291222835), (5, 58244567), (17, 17130755), (31, 9394285), (79, 3686365), (85, 3426151), (155, 1878857), (395, 737273), (527, 552605), (1343, 216845), (1399, 208165), (2449, 118915), (2635, 110521), (6715, 43369), (6995, 41633), (12245, 23783)]