138972688

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{26891}}^1$

素因数の和:26935

約数の個数: 40

約数和(自身を含む): 300114720

約数和(自身を除く): 161142032

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 5168, 26891, 53782, 107564, 215128, 430256, 457147, 510929, 914294, 1021858, 1828588, 2043716, 3657176, 4087432, 7314352, 8174864, 8685793, 17371586, 34743172, 69486344, 138972688]

約数ペア:

[(1, 138972688), (2, 69486344), (4, 34743172), (8, 17371586), (16, 8685793), (17, 8174864), (19, 7314352), (34, 4087432), (38, 3657176), (68, 2043716), (76, 1828588), (136, 1021858), (152, 914294), (272, 510929), (304, 457147), (323, 430256), (646, 215128), (1292, 107564), (2584, 53782), (5168, 26891)]