81878342

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1601}}^1$

素因数の和:1904

約数の個数: 32

約数和(自身を含む): 151792704

約数和(自身を除く): 69914362

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 281, 562, 1601, 1967, 3202, 3653, 3934, 7306, 11207, 20813, 22414, 25571, 41626, 51142, 145691, 291382, 449881, 899762, 3149167, 5848453, 6298334, 11696906, 40939171, 81878342]

約数ペア:

[(1, 81878342), (2, 40939171), (7, 11696906), (13, 6298334), (14, 5848453), (26, 3149167), (91, 899762), (182, 449881), (281, 291382), (562, 145691), (1601, 51142), (1967, 41626), (3202, 25571), (3653, 22414), (3934, 20813), (7306, 11207)]