31861818

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{233}}^1$

素因数の和:419

約数の個数: 48

約数和(自身を含む): 70963776

約数和(自身を除く): 39101958

約数列:

[1, 2, 3, 6, 9, 18, 71, 107, 142, 213, 214, 233, 321, 426, 466, 639, 642, 699, 963, 1278, 1398, 1926, 2097, 4194, 7597, 15194, 16543, 22791, 24931, 33086, 45582, 49629, 49862, 68373, 74793, 99258, 136746, 148887, 149586, 224379, 297774, 448758, 1770101, 3540202, 5310303, 10620606, 15930909, 31861818]

約数ペア:

[(1, 31861818), (2, 15930909), (3, 10620606), (6, 5310303), (9, 3540202), (18, 1770101), (71, 448758), (107, 297774), (142, 224379), (213, 149586), (214, 148887), (233, 136746), (321, 99258), (426, 74793), (466, 68373), (639, 49862), (642, 49629), (699, 45582), (963, 33086), (1278, 24931), (1398, 22791), (1926, 16543), (2097, 15194), (4194, 7597)]