201218768

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{405683}}^1$

素因数の和:405722

約数の個数: 20

約数和(自身を含む): 402438528

約数和(自身を除く): 201219760

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 405683, 811366, 1622732, 3245464, 6490928, 12576173, 25152346, 50304692, 100609384, 201218768]

約数ペア:

[(1, 201218768), (2, 100609384), (4, 50304692), (8, 25152346), (16, 12576173), (31, 6490928), (62, 3245464), (124, 1622732), (248, 811366), (496, 405683)]