399166744

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{49549}}^1$

素因数の和:49627

約数の個数: 32

約数和(自身を含む): 802710000

約数和(自身を除く): 403543256

約数列:

[1, 2, 4, 8, 19, 38, 53, 76, 106, 152, 212, 424, 1007, 2014, 4028, 8056, 49549, 99098, 198196, 396392, 941431, 1882862, 2626097, 3765724, 5252194, 7531448, 10504388, 21008776, 49895843, 99791686, 199583372, 399166744]

約数ペア:

[(1, 399166744), (2, 199583372), (4, 99791686), (8, 49895843), (19, 21008776), (38, 10504388), (53, 7531448), (76, 5252194), (106, 3765724), (152, 2626097), (212, 1882862), (424, 941431), (1007, 396392), (2014, 198196), (4028, 99098), (8056, 49549)]