31321424

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{523}}^1$

素因数の和:747

約数の個数: 40

約数和(自身を含む): 64326240

約数和(自身を除く): 33004816

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 197, 304, 394, 523, 788, 1046, 1576, 2092, 3152, 3743, 4184, 7486, 8368, 9937, 14972, 19874, 29944, 39748, 59888, 79496, 103031, 158992, 206062, 412124, 824248, 1648496, 1957589, 3915178, 7830356, 15660712, 31321424]

約数ペア:

[(1, 31321424), (2, 15660712), (4, 7830356), (8, 3915178), (16, 1957589), (19, 1648496), (38, 824248), (76, 412124), (152, 206062), (197, 158992), (304, 103031), (394, 79496), (523, 59888), (788, 39748), (1046, 29944), (1576, 19874), (2092, 14972), (3152, 9937), (3743, 8368), (4184, 7486)]