81788236

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{863}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 159667200

約数和(自身を除く): 77878964

約数列:

[1, 2, 4, 19, 29, 38, 43, 58, 76, 86, 116, 172, 551, 817, 863, 1102, 1247, 1634, 1726, 2204, 2494, 3268, 3452, 4988, 16397, 23693, 25027, 32794, 37109, 47386, 50054, 65588, 74218, 94772, 100108, 148436, 475513, 705071, 951026, 1076161, 1410142, 1902052, 2152322, 2820284, 4304644, 20447059, 40894118, 81788236]

約数ペア:

[(1, 81788236), (2, 40894118), (4, 20447059), (19, 4304644), (29, 2820284), (38, 2152322), (43, 1902052), (58, 1410142), (76, 1076161), (86, 951026), (116, 705071), (172, 475513), (551, 148436), (817, 100108), (863, 94772), (1102, 74218), (1247, 65588), (1634, 50054), (1726, 47386), (2204, 37109), (2494, 32794), (3268, 25027), (3452, 23693), (4988, 16397)]