131338753

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1163}}^1$

素因数の和:1273

約数の個数: 32

約数和(自身を含む): 173650176

約数和(自身を除く): 42311423

約数列:

[1, 7, 13, 17, 73, 91, 119, 221, 511, 949, 1163, 1241, 1547, 6643, 8141, 8687, 15119, 16133, 19771, 84899, 105833, 112931, 138397, 257023, 594293, 1103687, 1443283, 1799161, 7725809, 10102981, 18762679, 131338753]

約数ペア:

[(1, 131338753), (7, 18762679), (13, 10102981), (17, 7725809), (73, 1799161), (91, 1443283), (119, 1103687), (221, 594293), (511, 257023), (949, 138397), (1163, 112931), (1241, 105833), (1547, 84899), (6643, 19771), (8141, 16133), (8687, 15119)]