129905008

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{661}}^1$

素因数の和:913

約数の個数: 40

約数和(自身を含む): 257099616

約数和(自身を除く): 127194608

約数列:

[1, 2, 4, 8, 16, 71, 142, 173, 284, 346, 568, 661, 692, 1136, 1322, 1384, 2644, 2768, 5288, 10576, 12283, 24566, 46931, 49132, 93862, 98264, 114353, 187724, 196528, 228706, 375448, 457412, 750896, 914824, 1829648, 8119063, 16238126, 32476252, 64952504, 129905008]

約数ペア:

[(1, 129905008), (2, 64952504), (4, 32476252), (8, 16238126), (16, 8119063), (71, 1829648), (142, 914824), (173, 750896), (284, 457412), (346, 375448), (568, 228706), (661, 196528), (692, 187724), (1136, 114353), (1322, 98264), (1384, 93862), (2644, 49132), (2768, 46931), (5288, 24566), (10576, 12283)]