397821708

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{480461}}^1$

素因数の和:480494

約数の個数: 36

約数和(自身を含む): 1049329008

約数和(自身を除く): 651507300

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 480461, 960922, 1441383, 1921844, 2882766, 4324149, 5765532, 8648298, 11050603, 17296596, 22101206, 33151809, 44202412, 66303618, 99455427, 132607236, 198910854, 397821708]

約数ペア:

[(1, 397821708), (2, 198910854), (3, 132607236), (4, 99455427), (6, 66303618), (9, 44202412), (12, 33151809), (18, 22101206), (23, 17296596), (36, 11050603), (46, 8648298), (69, 5765532), (92, 4324149), (138, 2882766), (207, 1921844), (276, 1441383), (414, 960922), (828, 480461)]