66689308

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{76831}}^1$

素因数の和:76873

約数の個数: 24

約数和(自身を含む): 137682944

約数和(自身を除く): 70993636

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 76831, 153662, 307324, 537817, 1075634, 2151268, 2381761, 4763522, 9527044, 16672327, 33344654, 66689308]

約数ペア:

[(1, 66689308), (2, 33344654), (4, 16672327), (7, 9527044), (14, 4763522), (28, 2381761), (31, 2151268), (62, 1075634), (124, 537817), (217, 307324), (434, 153662), (868, 76831)]