81231514

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{63761}}^1$

素因数の和:63790

約数の個数: 24

約数和(自身を含む): 152646228

約数和(自身を除く): 71414714

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 63761, 127522, 446327, 828893, 892654, 1657786, 3124289, 5802251, 6248578, 11604502, 40615757, 81231514]

約数ペア:

[(1, 81231514), (2, 40615757), (7, 11604502), (13, 6248578), (14, 5802251), (26, 3124289), (49, 1657786), (91, 892654), (98, 828893), (182, 446327), (637, 127522), (1274, 63761)]