990618864

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{479951}}^1$

素因数の和:480005

約数の個数: 40

約数和(自身を含む): 2618618112

約数和(自身を除く): 1627999248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 479951, 959902, 1439853, 1919804, 2879706, 3839608, 5759412, 7679216, 11518824, 20637893, 23037648, 41275786, 61913679, 82551572, 123827358, 165103144, 247654716, 330206288, 495309432, 990618864]

約数ペア:

[(1, 990618864), (2, 495309432), (3, 330206288), (4, 247654716), (6, 165103144), (8, 123827358), (12, 82551572), (16, 61913679), (24, 41275786), (43, 23037648), (48, 20637893), (86, 11518824), (129, 7679216), (172, 5759412), (258, 3839608), (344, 2879706), (516, 1919804), (688, 1439853), (1032, 959902), (2064, 479951)]