1285438

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 2550528

約数和(自身を除く): 1265090

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 374, 491, 982, 1309, 2618, 3437, 5401, 6874, 8347, 10802, 16694, 37807, 58429, 75614, 91817, 116858, 183634, 642719, 1285438]

約数ペア:

[(1, 1285438), (2, 642719), (7, 183634), (11, 116858), (14, 91817), (17, 75614), (22, 58429), (34, 37807), (77, 16694), (119, 10802), (154, 8347), (187, 6874), (238, 5401), (374, 3437), (491, 2618), (982, 1309)]