989780168

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{87313}}^1$

素因数の和:87441

約数の個数: 32

約数和(自身を含む): 2016953400

約数和(自身を除く): 1027173232

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 218, 436, 872, 1417, 2834, 5668, 11336, 87313, 174626, 349252, 698504, 1135069, 2270138, 4540276, 9080552, 9517117, 19034234, 38068468, 76136936, 123722521, 247445042, 494890084, 989780168]

約数ペア:

[(1, 989780168), (2, 494890084), (4, 247445042), (8, 123722521), (13, 76136936), (26, 38068468), (52, 19034234), (104, 9517117), (109, 9080552), (218, 4540276), (436, 2270138), (872, 1135069), (1417, 698504), (2834, 349252), (5668, 174626), (11336, 87313)]