81669516

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{647}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 194939136

約数和(自身を除く): 113269620

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 157, 201, 268, 314, 402, 471, 628, 647, 804, 942, 1294, 1884, 1941, 2588, 3882, 7764, 10519, 21038, 31557, 42076, 43349, 63114, 86698, 101579, 126228, 130047, 173396, 203158, 260094, 304737, 406316, 520188, 609474, 1218948, 6805793, 13611586, 20417379, 27223172, 40834758, 81669516]

約数ペア:

[(1, 81669516), (2, 40834758), (3, 27223172), (4, 20417379), (6, 13611586), (12, 6805793), (67, 1218948), (134, 609474), (157, 520188), (201, 406316), (268, 304737), (314, 260094), (402, 203158), (471, 173396), (628, 130047), (647, 126228), (804, 101579), (942, 86698), (1294, 63114), (1884, 43349), (1941, 42076), (2588, 31557), (3882, 21038), (7764, 10519)]