280692016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83939}}^1$

素因数の和:83977

約数の個数: 40

約数和(自身を含む): 624513600

約数和(自身を除く): 343821584

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 83939, 167878, 335756, 671512, 923329, 1343024, 1594841, 1846658, 3189682, 3693316, 6379364, 7386632, 12758728, 14773264, 17543251, 25517456, 35086502, 70173004, 140346008, 280692016]

約数ペア:

[(1, 280692016), (2, 140346008), (4, 70173004), (8, 35086502), (11, 25517456), (16, 17543251), (19, 14773264), (22, 12758728), (38, 7386632), (44, 6379364), (76, 3693316), (88, 3189682), (152, 1846658), (176, 1594841), (209, 1343024), (304, 923329), (418, 671512), (836, 335756), (1672, 167878), (3344, 83939)]