138839612

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2621}}^1$

素因数の和:2702

約数の個数: 48

約数和(自身を含む): 277512480

約数和(自身を除く): 138672868

約数列:

[1, 2, 4, 17, 19, 34, 38, 41, 68, 76, 82, 164, 323, 646, 697, 779, 1292, 1394, 1558, 2621, 2788, 3116, 5242, 10484, 13243, 26486, 44557, 49799, 52972, 89114, 99598, 107461, 178228, 199196, 214922, 429844, 846583, 1693166, 1826837, 2041759, 3386332, 3653674, 4083518, 7307348, 8167036, 34709903, 69419806, 138839612]

約数ペア:

[(1, 138839612), (2, 69419806), (4, 34709903), (17, 8167036), (19, 7307348), (34, 4083518), (38, 3653674), (41, 3386332), (68, 2041759), (76, 1826837), (82, 1693166), (164, 846583), (323, 429844), (646, 214922), (697, 199196), (779, 178228), (1292, 107461), (1394, 99598), (1558, 89114), (2621, 52972), (2788, 49799), (3116, 44557), (5242, 26486), (10484, 13243)]