81919824

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{243809}}^1$

素因数の和:243827

約数の個数: 40

約数和(自身を含む): 241859520

約数和(自身を除く): 159939696

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 243809, 487618, 731427, 975236, 1462854, 1706663, 1950472, 2925708, 3413326, 3900944, 5119989, 5851416, 6826652, 10239978, 11702832, 13653304, 20479956, 27306608, 40959912, 81919824]

約数ペア:

[(1, 81919824), (2, 40959912), (3, 27306608), (4, 20479956), (6, 13653304), (7, 11702832), (8, 10239978), (12, 6826652), (14, 5851416), (16, 5119989), (21, 3900944), (24, 3413326), (28, 2925708), (42, 1950472), (48, 1706663), (56, 1462854), (84, 975236), (112, 731427), (168, 487618), (336, 243809)]