31193648

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:405

約数の個数: 40

約数和(自身を含む): 61975200

約数和(自身を除く): 30781552

約数列:

[1, 2, 4, 8, 16, 97, 101, 194, 199, 202, 388, 398, 404, 776, 796, 808, 1552, 1592, 1616, 3184, 9797, 19303, 19594, 20099, 38606, 39188, 40198, 77212, 78376, 80396, 154424, 156752, 160792, 308848, 321584, 1949603, 3899206, 7798412, 15596824, 31193648]

約数ペア:

[(1, 31193648), (2, 15596824), (4, 7798412), (8, 3899206), (16, 1949603), (97, 321584), (101, 308848), (194, 160792), (199, 156752), (202, 154424), (388, 80396), (398, 78376), (404, 77212), (776, 40198), (796, 39188), (808, 38606), (1552, 20099), (1592, 19594), (1616, 19303), (3184, 9797)]