28312310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1$

素因数の和:617

約数の個数: 64

約数和(自身を含む): 60746112

約数和(自身を除く): 32433802

約数列:

[1, 2, 5, 10, 13, 17, 23, 26, 34, 46, 65, 85, 115, 130, 170, 221, 230, 299, 391, 442, 557, 598, 782, 1105, 1114, 1495, 1955, 2210, 2785, 2990, 3910, 5083, 5570, 7241, 9469, 10166, 12811, 14482, 18938, 25415, 25622, 36205, 47345, 50830, 64055, 72410, 94690, 123097, 128110, 166543, 217787, 246194, 333086, 435574, 615485, 832715, 1088935, 1230970, 1665430, 2177870, 2831231, 5662462, 14156155, 28312310]

約数ペア:

[(1, 28312310), (2, 14156155), (5, 5662462), (10, 2831231), (13, 2177870), (17, 1665430), (23, 1230970), (26, 1088935), (34, 832715), (46, 615485), (65, 435574), (85, 333086), (115, 246194), (130, 217787), (170, 166543), (221, 128110), (230, 123097), (299, 94690), (391, 72410), (442, 64055), (557, 50830), (598, 47345), (782, 36205), (1105, 25622), (1114, 25415), (1495, 18938), (1955, 14482), (2210, 12811), (2785, 10166), (2990, 9469), (3910, 7241), (5083, 5570)]