289293848

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{919}}^1$

素因数の和:1072

約数の個数: 48

約数和(自身を含む): 578358000

約数和(自身を除く): 289064152

約数列:

[1, 2, 4, 8, 19, 38, 76, 109, 152, 218, 361, 436, 722, 872, 919, 1444, 1838, 2071, 2888, 3676, 4142, 7352, 8284, 16568, 17461, 34922, 39349, 69844, 78698, 100171, 139688, 157396, 200342, 314792, 331759, 400684, 663518, 801368, 1327036, 1903249, 2654072, 3806498, 7612996, 15225992, 36161731, 72323462, 144646924, 289293848]

約数ペア:

[(1, 289293848), (2, 144646924), (4, 72323462), (8, 36161731), (19, 15225992), (38, 7612996), (76, 3806498), (109, 2654072), (152, 1903249), (218, 1327036), (361, 801368), (436, 663518), (722, 400684), (872, 331759), (919, 314792), (1444, 200342), (1838, 157396), (2071, 139688), (2888, 100171), (3676, 78698), (4142, 69844), (7352, 39349), (8284, 34922), (16568, 17461)]