40840702

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{677}}^1$

素因数の和:856

約数の個数: 32

約数和(自身を含む): 72898560

約数和(自身を除く): 32057858

約数列:

[1, 2, 7, 14, 31, 62, 139, 217, 278, 434, 677, 973, 1354, 1946, 4309, 4739, 8618, 9478, 20987, 30163, 41974, 60326, 94103, 146909, 188206, 293818, 658721, 1317442, 2917193, 5834386, 20420351, 40840702]

約数ペア:

[(1, 40840702), (2, 20420351), (7, 5834386), (14, 2917193), (31, 1317442), (62, 658721), (139, 293818), (217, 188206), (278, 146909), (434, 94103), (677, 60326), (973, 41974), (1354, 30163), (1946, 20987), (4309, 9478), (4739, 8618)]