388766556

素因数分解:

$2^2\times 3^2\times {\mathrm{113}}^1\times {\mathrm{227}}^1\times {\mathrm{421}}^1$

素因数の和:771

約数の個数: 72

約数和(自身を含む): 998144784

約数和(自身を除く): 609378228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 113, 226, 227, 339, 421, 452, 454, 678, 681, 842, 908, 1017, 1263, 1356, 1362, 1684, 2034, 2043, 2526, 2724, 3789, 4068, 4086, 5052, 7578, 8172, 15156, 25651, 47573, 51302, 76953, 95146, 95567, 102604, 142719, 153906, 190292, 191134, 230859, 285438, 286701, 307812, 382268, 428157, 461718, 570876, 573402, 856314, 860103, 923436, 1146804, 1712628, 1720206, 3440412, 10799071, 21598142, 32397213, 43196284, 64794426, 97191639, 129588852, 194383278, 388766556]

約数ペア:

[(1, 388766556), (2, 194383278), (3, 129588852), (4, 97191639), (6, 64794426), (9, 43196284), (12, 32397213), (18, 21598142), (36, 10799071), (113, 3440412), (226, 1720206), (227, 1712628), (339, 1146804), (421, 923436), (452, 860103), (454, 856314), (678, 573402), (681, 570876), (842, 461718), (908, 428157), (1017, 382268), (1263, 307812), (1356, 286701), (1362, 285438), (1684, 230859), (2034, 191134), (2043, 190292), (2526, 153906), (2724, 142719), (3789, 102604), (4068, 95567), (4086, 95146), (5052, 76953), (7578, 51302), (8172, 47573), (15156, 25651)]