420719912

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{4513}}^1$

素因数の和:4833

約数の個数: 32

約数和(自身を含む): 810353280

約数和(自身を除く): 389633368

約数列:

[1, 2, 4, 8, 43, 86, 172, 271, 344, 542, 1084, 2168, 4513, 9026, 11653, 18052, 23306, 36104, 46612, 93224, 194059, 388118, 776236, 1223023, 1552472, 2446046, 4892092, 9784184, 52589989, 105179978, 210359956, 420719912]

約数ペア:

[(1, 420719912), (2, 210359956), (4, 105179978), (8, 52589989), (43, 9784184), (86, 4892092), (172, 2446046), (271, 1552472), (344, 1223023), (542, 776236), (1084, 388118), (2168, 194059), (4513, 93224), (9026, 46612), (11653, 36104), (18052, 23306)]