409245824

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{245941}}^1$

素因数の和:245968

約数の個数: 32

約数和(自身を含む): 878012940

約数和(自身を除く): 468767116

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 245941, 491882, 983764, 1967528, 3197233, 3935056, 6394466, 7870112, 12788932, 15740224, 25577864, 31480448, 51155728, 102311456, 204622912, 409245824]

約数ペア:

[(1, 409245824), (2, 204622912), (4, 102311456), (8, 51155728), (13, 31480448), (16, 25577864), (26, 15740224), (32, 12788932), (52, 7870112), (64, 6394466), (104, 3935056), (128, 3197233), (208, 1967528), (416, 983764), (832, 491882), (1664, 245941)]