31639408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{523}}^1$

素因数の和:749

約数の個数: 40

約数和(自身を含む): 64976000

約数和(自身を除く): 33336592

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 199, 304, 398, 523, 796, 1046, 1592, 2092, 3184, 3781, 4184, 7562, 8368, 9937, 15124, 19874, 30248, 39748, 60496, 79496, 104077, 158992, 208154, 416308, 832616, 1665232, 1977463, 3954926, 7909852, 15819704, 31639408]

約数ペア:

[(1, 31639408), (2, 15819704), (4, 7909852), (8, 3954926), (16, 1977463), (19, 1665232), (38, 832616), (76, 416308), (152, 208154), (199, 158992), (304, 104077), (398, 79496), (523, 60496), (796, 39748), (1046, 30248), (1592, 19874), (2092, 15124), (3184, 9937), (3781, 8368), (4184, 7562)]