268732009

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1289}}^1$

素因数の和:1417

約数の個数: 32

約数和(自身を含む): 346752000

約数和(自身を除く): 78019991

約数列:

[1, 7, 13, 29, 79, 91, 203, 377, 553, 1027, 1289, 2291, 2639, 7189, 9023, 16037, 16757, 29783, 37381, 101831, 117299, 208481, 261667, 485953, 712817, 1323803, 2953099, 3401671, 9266621, 20671693, 38390287, 268732009]

約数ペア:

[(1, 268732009), (7, 38390287), (13, 20671693), (29, 9266621), (79, 3401671), (91, 2953099), (203, 1323803), (377, 712817), (553, 485953), (1027, 261667), (1289, 208481), (2291, 117299), (2639, 101831), (7189, 37381), (9023, 29783), (16037, 16757)]