28639566

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 64235808

約数和(自身を除く): 35596242

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 151, 246, 257, 302, 369, 453, 514, 738, 771, 906, 1359, 1542, 2313, 2718, 4626, 6191, 10537, 12382, 18573, 21074, 31611, 37146, 38807, 55719, 63222, 77614, 94833, 111438, 116421, 189666, 232842, 349263, 698526, 1591087, 3182174, 4773261, 9546522, 14319783, 28639566]

約数ペア:

[(1, 28639566), (2, 14319783), (3, 9546522), (6, 4773261), (9, 3182174), (18, 1591087), (41, 698526), (82, 349263), (123, 232842), (151, 189666), (246, 116421), (257, 111438), (302, 94833), (369, 77614), (453, 63222), (514, 55719), (738, 38807), (771, 37146), (906, 31611), (1359, 21074), (1542, 18573), (2313, 12382), (2718, 10537), (4626, 6191)]