638487216

素因数分解:

$2^4\times 3^2\times {\mathrm{277}}^1\times {\mathrm{16007}}^1$

素因数の和:16298

約数の個数: 60

約数和(自身を含む): 1793440272

約数和(自身を除く): 1154953056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 277, 554, 831, 1108, 1662, 2216, 2493, 3324, 4432, 4986, 6648, 9972, 13296, 16007, 19944, 32014, 39888, 48021, 64028, 96042, 128056, 144063, 192084, 256112, 288126, 384168, 576252, 768336, 1152504, 2305008, 4433939, 8867878, 13301817, 17735756, 26603634, 35471512, 39905451, 53207268, 70943024, 79810902, 106414536, 159621804, 212829072, 319243608, 638487216]

約数ペア:

[(1, 638487216), (2, 319243608), (3, 212829072), (4, 159621804), (6, 106414536), (8, 79810902), (9, 70943024), (12, 53207268), (16, 39905451), (18, 35471512), (24, 26603634), (36, 17735756), (48, 13301817), (72, 8867878), (144, 4433939), (277, 2305008), (554, 1152504), (831, 768336), (1108, 576252), (1662, 384168), (2216, 288126), (2493, 256112), (3324, 192084), (4432, 144063), (4986, 128056), (6648, 96042), (9972, 64028), (13296, 48021), (16007, 39888), (19944, 32014)]