278345828

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{739}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 537062400

約数和(自身を除く): 258716572

約数列:

[1, 2, 4, 17, 29, 34, 58, 68, 116, 191, 382, 493, 739, 764, 986, 1478, 1972, 2956, 3247, 5539, 6494, 11078, 12563, 12988, 21431, 22156, 25126, 42862, 50252, 85724, 94163, 141149, 188326, 282298, 364327, 376652, 564596, 728654, 1457308, 2399533, 4093321, 4799066, 8186642, 9598132, 16373284, 69586457, 139172914, 278345828]

約数ペア:

[(1, 278345828), (2, 139172914), (4, 69586457), (17, 16373284), (29, 9598132), (34, 8186642), (58, 4799066), (68, 4093321), (116, 2399533), (191, 1457308), (382, 728654), (493, 564596), (739, 376652), (764, 364327), (986, 282298), (1478, 188326), (1972, 141149), (2956, 94163), (3247, 85724), (5539, 50252), (6494, 42862), (11078, 25126), (12563, 22156), (12988, 21431)]