87266905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{61}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 125616960

約数和(自身を除く): 38350055

約数列:

[1, 5, 11, 19, 37, 55, 61, 95, 185, 209, 305, 407, 671, 703, 1045, 1159, 1369, 2035, 2257, 3355, 3515, 5795, 6845, 7733, 11285, 12749, 15059, 24827, 26011, 38665, 42883, 63745, 75295, 83509, 124135, 130055, 214415, 286121, 417545, 471713, 918599, 1430605, 1586671, 2358565, 4592995, 7933355, 17453381, 87266905]

約数ペア:

[(1, 87266905), (5, 17453381), (11, 7933355), (19, 4592995), (37, 2358565), (55, 1586671), (61, 1430605), (95, 918599), (185, 471713), (209, 417545), (305, 286121), (407, 214415), (671, 130055), (703, 124135), (1045, 83509), (1159, 75295), (1369, 63745), (2035, 42883), (2257, 38665), (3355, 26011), (3515, 24827), (5795, 15059), (6845, 12749), (7733, 11285)]