405819972

素因数分解:

$2^2\times 3^2\times {\mathrm{2081}}^1\times {\mathrm{5417}}^1$

素因数の和:7508

約数の個数: 36

約数和(自身を含む): 1026505116

約数和(自身を除く): 620685144

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2081, 4162, 5417, 6243, 8324, 10834, 12486, 16251, 18729, 21668, 24972, 32502, 37458, 48753, 65004, 74916, 97506, 195012, 11272777, 22545554, 33818331, 45091108, 67636662, 101454993, 135273324, 202909986, 405819972]

約数ペア:

[(1, 405819972), (2, 202909986), (3, 135273324), (4, 101454993), (6, 67636662), (9, 45091108), (12, 33818331), (18, 22545554), (36, 11272777), (2081, 195012), (4162, 97506), (5417, 74916), (6243, 65004), (8324, 48753), (10834, 37458), (12486, 32502), (16251, 24972), (18729, 21668)]