28090908

素因数分解:

$2^2\times 3^3\times {\mathrm{29}}^1\times {\mathrm{8969}}^1$

素因数の和:9011

約数の個数: 48

約数和(自身を含む): 75348000

約数和(自身を除く): 47257092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 87, 108, 116, 174, 261, 348, 522, 783, 1044, 1566, 3132, 8969, 17938, 26907, 35876, 53814, 80721, 107628, 161442, 242163, 260101, 322884, 484326, 520202, 780303, 968652, 1040404, 1560606, 2340909, 3121212, 4681818, 7022727, 9363636, 14045454, 28090908]

約数ペア:

[(1, 28090908), (2, 14045454), (3, 9363636), (4, 7022727), (6, 4681818), (9, 3121212), (12, 2340909), (18, 1560606), (27, 1040404), (29, 968652), (36, 780303), (54, 520202), (58, 484326), (87, 322884), (108, 260101), (116, 242163), (174, 161442), (261, 107628), (348, 80721), (522, 53814), (783, 35876), (1044, 26907), (1566, 17938), (3132, 8969)]