72912008

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 149328000

約数和(自身を除く): 76415992

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 199, 271, 338, 398, 542, 676, 796, 1084, 1352, 1592, 2168, 2587, 3523, 5174, 7046, 10348, 14092, 20696, 28184, 33631, 45799, 53929, 67262, 91598, 107858, 134524, 183196, 215716, 269048, 366392, 431432, 701077, 1402154, 2804308, 5608616, 9114001, 18228002, 36456004, 72912008]

約数ペア:

[(1, 72912008), (2, 36456004), (4, 18228002), (8, 9114001), (13, 5608616), (26, 2804308), (52, 1402154), (104, 701077), (169, 431432), (199, 366392), (271, 269048), (338, 215716), (398, 183196), (542, 134524), (676, 107858), (796, 91598), (1084, 67262), (1352, 53929), (1592, 45799), (2168, 33631), (2587, 28184), (3523, 20696), (5174, 14092), (7046, 10348)]