81372844

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{36787}}^1$

素因数の和:36877

約数の個数: 24

約数和(自身を含む): 164810240

約数和(自身を除く): 83437396

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 36787, 73574, 147148, 257509, 515018, 1030036, 2906173, 5812346, 11624692, 20343211, 40686422, 81372844]

約数ペア:

[(1, 81372844), (2, 40686422), (4, 20343211), (7, 11624692), (14, 5812346), (28, 2906173), (79, 1030036), (158, 515018), (316, 257509), (553, 147148), (1106, 73574), (2212, 36787)]