1640246212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1373}}^1\times {\mathrm{1429}}^1$

素因数の和:2836

約数の個数: 48

約数和(自身を含む): 3300897600

約数和(自身を除く): 1660651388

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 1373, 1429, 2746, 2858, 5492, 5716, 15103, 15719, 26087, 27151, 30206, 31438, 52174, 54302, 60412, 62876, 104348, 108604, 286957, 298661, 573914, 597322, 1147828, 1194644, 1962017, 3924034, 7848068, 21582187, 37278323, 43164374, 74556646, 86328748, 149113292, 410061553, 820123106, 1640246212]

約数ペア:

[(1, 1640246212), (2, 820123106), (4, 410061553), (11, 149113292), (19, 86328748), (22, 74556646), (38, 43164374), (44, 37278323), (76, 21582187), (209, 7848068), (418, 3924034), (836, 1962017), (1373, 1194644), (1429, 1147828), (2746, 597322), (2858, 573914), (5492, 298661), (5716, 286957), (15103, 108604), (15719, 104348), (26087, 62876), (27151, 60412), (30206, 54302), (31438, 52174)]