639604872

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{522553}}^1$

素因数の和:522582

約数の個数: 48

約数和(自身を含む): 1834164540

約数和(自身を除く): 1194559668

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 522553, 1045106, 1567659, 2090212, 3135318, 4180424, 4702977, 6270636, 8883401, 9405954, 12541272, 17766802, 18811908, 26650203, 35533604, 37623816, 53300406, 71067208, 79950609, 106600812, 159901218, 213201624, 319802436, 639604872]

約数ペア:

[(1, 639604872), (2, 319802436), (3, 213201624), (4, 159901218), (6, 106600812), (8, 79950609), (9, 71067208), (12, 53300406), (17, 37623816), (18, 35533604), (24, 26650203), (34, 18811908), (36, 17766802), (51, 12541272), (68, 9405954), (72, 8883401), (102, 6270636), (136, 4702977), (153, 4180424), (204, 3135318), (306, 2090212), (408, 1567659), (612, 1045106), (1224, 522553)]