128180815

素因数分解:

$5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{2411}}^1$

素因数の和:2468

約数の個数: 32

約数和(自身を含む): 185241600

約数和(自身を除く): 57060785

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 343, 1085, 1519, 1715, 2411, 7595, 10633, 12055, 16877, 53165, 74741, 84385, 118139, 373705, 523187, 590695, 826973, 2615935, 3662309, 4134865, 18311545, 25636163, 128180815]

約数ペア:

[(1, 128180815), (5, 25636163), (7, 18311545), (31, 4134865), (35, 3662309), (49, 2615935), (155, 826973), (217, 590695), (245, 523187), (343, 373705), (1085, 118139), (1519, 84385), (1715, 74741), (2411, 53165), (7595, 16877), (10633, 12055)]