639821412

素因数分解:

$2^2\times 3^2\times {\mathrm{2551}}^1\times {\mathrm{6967}}^1$

素因数の和:9528

約数の個数: 36

約数和(自身を含む): 1618192576

約数和(自身を除く): 978371164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2551, 5102, 6967, 7653, 10204, 13934, 15306, 20901, 22959, 27868, 30612, 41802, 45918, 62703, 83604, 91836, 125406, 250812, 17772817, 35545634, 53318451, 71091268, 106636902, 159955353, 213273804, 319910706, 639821412]

約数ペア:

[(1, 639821412), (2, 319910706), (3, 213273804), (4, 159955353), (6, 106636902), (9, 71091268), (12, 53318451), (18, 35545634), (36, 17772817), (2551, 250812), (5102, 125406), (6967, 91836), (7653, 83604), (10204, 62703), (13934, 45918), (15306, 41802), (20901, 30612), (22959, 27868)]