1295942428

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{853}}^1$

素因数の和:995

約数の個数: 72

約数和(自身を含む): 2588760944

約数和(自身を除く): 1292818516

約数列:

[1, 2, 4, 11, 22, 43, 44, 73, 86, 121, 146, 172, 242, 292, 473, 484, 803, 853, 946, 1606, 1706, 1892, 3139, 3212, 3412, 5203, 6278, 8833, 9383, 10406, 12556, 17666, 18766, 20812, 34529, 35332, 36679, 37532, 62269, 69058, 73358, 103213, 124538, 138116, 146716, 206426, 249076, 379819, 403469, 412852, 684959, 759638, 806938, 1369918, 1519276, 1613876, 2677567, 2739836, 4438159, 5355134, 7534549, 8876318, 10710268, 15069098, 17752636, 29453237, 30138196, 58906474, 117812948, 323985607, 647971214, 1295942428]

約数ペア:

[(1, 1295942428), (2, 647971214), (4, 323985607), (11, 117812948), (22, 58906474), (43, 30138196), (44, 29453237), (73, 17752636), (86, 15069098), (121, 10710268), (146, 8876318), (172, 7534549), (242, 5355134), (292, 4438159), (473, 2739836), (484, 2677567), (803, 1613876), (853, 1519276), (946, 1369918), (1606, 806938), (1706, 759638), (1892, 684959), (3139, 412852), (3212, 403469), (3412, 379819), (5203, 249076), (6278, 206426), (8833, 146716), (9383, 138116), (10406, 124538), (12556, 103213), (17666, 73358), (18766, 69058), (20812, 62269), (34529, 37532), (35332, 36679)]