77991551

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 93063168

約数和(自身を除く): 15071617

約数列:

[1, 11, 23, 43, 67, 107, 253, 473, 737, 989, 1177, 1541, 2461, 2881, 4601, 7169, 10879, 16951, 27071, 31691, 50611, 66263, 78859, 105823, 164887, 308267, 728893, 1164053, 1813757, 3390937, 7090141, 77991551]

約数ペア:

[(1, 77991551), (11, 7090141), (23, 3390937), (43, 1813757), (67, 1164053), (107, 728893), (253, 308267), (473, 164887), (737, 105823), (989, 78859), (1177, 66263), (1541, 50611), (2461, 31691), (2881, 27071), (4601, 16951), (7169, 10879)]