83872019

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{857}}^1$

素因数の和:947

約数の個数: 32

約数和(自身を含む): 110702592

約数和(自身を除く): 26830573

約数列:

[1, 7, 11, 31, 41, 77, 217, 287, 341, 451, 857, 1271, 2387, 3157, 5999, 8897, 9427, 13981, 26567, 35137, 65989, 97867, 185969, 245959, 292237, 386507, 1089247, 2045659, 2705549, 7624729, 11981717, 83872019]

約数ペア:

[(1, 83872019), (7, 11981717), (11, 7624729), (31, 2705549), (41, 2045659), (77, 1089247), (217, 386507), (287, 292237), (341, 245959), (451, 185969), (857, 97867), (1271, 65989), (2387, 35137), (3157, 26567), (5999, 13981), (8897, 9427)]