40508909

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 51609600

約数和(自身を除く): 11100691

約数列:

[1, 7, 17, 31, 79, 119, 139, 217, 527, 553, 973, 1343, 2363, 2449, 3689, 4309, 9401, 10981, 16541, 17143, 30163, 41633, 73253, 76867, 186677, 291431, 340411, 512771, 1306739, 2382877, 5786987, 40508909]

約数ペア:

[(1, 40508909), (7, 5786987), (17, 2382877), (31, 1306739), (79, 512771), (119, 340411), (139, 291431), (217, 186677), (527, 76867), (553, 73253), (973, 41633), (1343, 30163), (2363, 17143), (2449, 16541), (3689, 10981), (4309, 9401)]