138840292

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{461}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 266378112

約数和(自身を除く): 127537820

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 103, 172, 206, 412, 461, 731, 922, 1462, 1751, 1844, 2924, 3502, 4429, 7004, 7837, 8858, 15674, 17716, 19823, 31348, 39646, 47483, 75293, 79292, 94966, 150586, 189932, 301172, 336991, 673982, 807211, 1347964, 1614422, 2041769, 3228844, 4083538, 8167076, 34710073, 69420146, 138840292]

約数ペア:

[(1, 138840292), (2, 69420146), (4, 34710073), (17, 8167076), (34, 4083538), (43, 3228844), (68, 2041769), (86, 1614422), (103, 1347964), (172, 807211), (206, 673982), (412, 336991), (461, 301172), (731, 189932), (922, 150586), (1462, 94966), (1751, 79292), (1844, 75293), (2924, 47483), (3502, 39646), (4429, 31348), (7004, 19823), (7837, 17716), (8858, 15674)]