81199690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{56783}}^1$

素因数の和:56814

約数の個数: 32

約数和(自身を含む): 171714816

約数和(自身を除く): 90515126

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 56783, 113566, 283915, 567830, 624613, 738179, 1249226, 1476358, 3123065, 3690895, 6246130, 7381790, 8119969, 16239938, 40599845, 81199690]

約数ペア:

[(1, 81199690), (2, 40599845), (5, 16239938), (10, 8119969), (11, 7381790), (13, 6246130), (22, 3690895), (26, 3123065), (55, 1476358), (65, 1249226), (110, 738179), (130, 624613), (143, 567830), (286, 283915), (715, 113566), (1430, 56783)]