87155198

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1523}}^1$

素因数の和:1640

約数の個数: 32

約数和(自身を含む): 147474432

約数和(自身を除く): 60319234

約数列:

[1, 2, 13, 26, 31, 62, 71, 142, 403, 806, 923, 1523, 1846, 2201, 3046, 4402, 19799, 28613, 39598, 47213, 57226, 94426, 108133, 216266, 613769, 1227538, 1405729, 2811458, 3352123, 6704246, 43577599, 87155198]

約数ペア:

[(1, 87155198), (2, 43577599), (13, 6704246), (26, 3352123), (31, 2811458), (62, 1405729), (71, 1227538), (142, 613769), (403, 216266), (806, 108133), (923, 94426), (1523, 57226), (1846, 47213), (2201, 39598), (3046, 28613), (4402, 19799)]