1209335408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{30367}}^1$

素因数の和:30525

約数の個数: 40

約数和(自身を含む): 2485317120

約数和(自身を除く): 1275981712

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 131, 152, 262, 304, 524, 1048, 2096, 2489, 4978, 9956, 19912, 30367, 39824, 60734, 121468, 242936, 485872, 576973, 1153946, 2307892, 3978077, 4615784, 7956154, 9231568, 15912308, 31824616, 63649232, 75583463, 151166926, 302333852, 604667704, 1209335408]

約数ペア:

[(1, 1209335408), (2, 604667704), (4, 302333852), (8, 151166926), (16, 75583463), (19, 63649232), (38, 31824616), (76, 15912308), (131, 9231568), (152, 7956154), (262, 4615784), (304, 3978077), (524, 2307892), (1048, 1153946), (2096, 576973), (2489, 485872), (4978, 242936), (9956, 121468), (19912, 60734), (30367, 39824)]