31487995

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{283}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 50220288

約数和(自身を除く): 18732293

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 283, 289, 385, 595, 935, 1309, 1415, 1445, 1981, 2023, 3113, 3179, 4811, 6545, 9905, 10115, 15565, 15895, 21791, 22253, 24055, 33677, 52921, 81787, 108955, 111265, 168385, 264605, 370447, 408935, 572509, 899657, 1852235, 2862545, 4498285, 6297599, 31487995]

約数ペア:

[(1, 31487995), (5, 6297599), (7, 4498285), (11, 2862545), (17, 1852235), (35, 899657), (55, 572509), (77, 408935), (85, 370447), (119, 264605), (187, 168385), (283, 111265), (289, 108955), (385, 81787), (595, 52921), (935, 33677), (1309, 24055), (1415, 22253), (1445, 21791), (1981, 15895), (2023, 15565), (3113, 10115), (3179, 9905), (4811, 6545)]