26861660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{613}}^1$

素因数の和:942

約数の個数: 48

約数和(自身を含む): 64779456

約数和(自身を除く): 37917796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 313, 613, 626, 1226, 1252, 1565, 2191, 2452, 3065, 3130, 4291, 4382, 6130, 6260, 8582, 8764, 10955, 12260, 17164, 21455, 21910, 42910, 43820, 85820, 191869, 383738, 767476, 959345, 1343083, 1918690, 2686166, 3837380, 5372332, 6715415, 13430830, 26861660]

約数ペア:

[(1, 26861660), (2, 13430830), (4, 6715415), (5, 5372332), (7, 3837380), (10, 2686166), (14, 1918690), (20, 1343083), (28, 959345), (35, 767476), (70, 383738), (140, 191869), (313, 85820), (613, 43820), (626, 42910), (1226, 21910), (1252, 21455), (1565, 17164), (2191, 12260), (2452, 10955), (3065, 8764), (3130, 8582), (4291, 6260), (4382, 6130)]