388889087984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{2240351}}^1$

素因数の和:2240949

約数の個数: 40

約数和(自身を含む): 794518433280

約数和(自身を除く): 405629345296

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 571, 1142, 2284, 4568, 9136, 10849, 21698, 43396, 86792, 173584, 2240351, 4480702, 8961404, 17922808, 35845616, 42566669, 85133338, 170266676, 340533352, 681066704, 1279240421, 2558480842, 5116961684, 10233923368, 20467846736, 24305567999, 48611135998, 97222271996, 194444543992, 388889087984]

約数ペア:

[(1, 388889087984), (2, 194444543992), (4, 97222271996), (8, 48611135998), (16, 24305567999), (19, 20467846736), (38, 10233923368), (76, 5116961684), (152, 2558480842), (304, 1279240421), (571, 681066704), (1142, 340533352), (2284, 170266676), (4568, 85133338), (9136, 42566669), (10849, 35845616), (21698, 17922808), (43396, 8961404), (86792, 4480702), (173584, 2240351)]