978264

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{647}}^1$

素因数の和:669

約数の個数: 64

約数和(自身を含む): 3110400

約数和(自身を除く): 2132136

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 647, 756, 1294, 1512, 1941, 2588, 3882, 4529, 5176, 5823, 7764, 9058, 11646, 13587, 15528, 17469, 18116, 23292, 27174, 34938, 36232, 40761, 46584, 54348, 69876, 81522, 108696, 122283, 139752, 163044, 244566, 326088, 489132, 978264]

約数ペア:

[(1, 978264), (2, 489132), (3, 326088), (4, 244566), (6, 163044), (7, 139752), (8, 122283), (9, 108696), (12, 81522), (14, 69876), (18, 54348), (21, 46584), (24, 40761), (27, 36232), (28, 34938), (36, 27174), (42, 23292), (54, 18116), (56, 17469), (63, 15528), (72, 13587), (84, 11646), (108, 9058), (126, 7764), (168, 5823), (189, 5176), (216, 4529), (252, 3882), (378, 2588), (504, 1941), (647, 1512), (756, 1294)]