81255087004

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{517931}}^1$

素因数の和:518386

約数の個数: 48

約数和(自身を含む): 175417353216

約数和(自身を除く): 94162266212

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 431, 862, 1724, 3017, 5603, 6034, 11206, 12068, 22412, 39221, 78442, 156884, 517931, 1035862, 2071724, 3625517, 6733103, 7251034, 13466206, 14502068, 26932412, 47131721, 94263442, 188526884, 223228261, 446456522, 892913044, 1562597827, 2901967393, 3125195654, 5803934786, 6250391308, 11607869572, 20313771751, 40627543502, 81255087004]

約数ペア:

[(1, 81255087004), (2, 40627543502), (4, 20313771751), (7, 11607869572), (13, 6250391308), (14, 5803934786), (26, 3125195654), (28, 2901967393), (52, 1562597827), (91, 892913044), (182, 446456522), (364, 223228261), (431, 188526884), (862, 94263442), (1724, 47131721), (3017, 26932412), (5603, 14502068), (6034, 13466206), (11206, 7251034), (12068, 6733103), (22412, 3625517), (39221, 2071724), (78442, 1035862), (156884, 517931)]