89911591

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 122913280

約数和(自身を除く): 33001689

約数列:

[1, 7, 11, 19, 37, 77, 121, 133, 151, 209, 259, 407, 703, 847, 1057, 1463, 1661, 2299, 2849, 2869, 4477, 4921, 5587, 7733, 11627, 16093, 18271, 20083, 31339, 31559, 39109, 54131, 61457, 85063, 106153, 127897, 220913, 347149, 430199, 595441, 676027, 743071, 1167683, 2430043, 4732189, 8173781, 12844513, 89911591]

約数ペア:

[(1, 89911591), (7, 12844513), (11, 8173781), (19, 4732189), (37, 2430043), (77, 1167683), (121, 743071), (133, 676027), (151, 595441), (209, 430199), (259, 347149), (407, 220913), (703, 127897), (847, 106153), (1057, 85063), (1463, 61457), (1661, 54131), (2299, 39109), (2849, 31559), (2869, 31339), (4477, 20083), (4921, 18271), (5587, 16093), (7733, 11627)]