38368421

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 52093440

約数和(自身を除く): 13725019

約数列:

[1, 7, 13, 29, 31, 49, 67, 91, 203, 217, 377, 403, 469, 637, 871, 899, 1421, 1519, 1943, 2077, 2639, 2821, 3283, 6097, 6293, 11687, 13601, 14539, 18473, 19747, 25259, 27001, 42679, 44051, 60233, 81809, 95207, 101773, 176813, 189007, 421631, 572663, 783029, 1237691, 1323049, 2951417, 5481203, 38368421]

約数ペア:

[(1, 38368421), (7, 5481203), (13, 2951417), (29, 1323049), (31, 1237691), (49, 783029), (67, 572663), (91, 421631), (203, 189007), (217, 176813), (377, 101773), (403, 95207), (469, 81809), (637, 60233), (871, 44051), (899, 42679), (1421, 27001), (1519, 25259), (1943, 19747), (2077, 18473), (2639, 14539), (2821, 13601), (3283, 11687), (6097, 6293)]