28395756

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{461}}^1$

素因数の和:559

約数の個数: 72

約数和(自身を含む): 75675600

約数和(自身を除く): 47279844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 59, 87, 116, 118, 174, 177, 236, 261, 348, 354, 461, 522, 531, 708, 922, 1044, 1062, 1383, 1711, 1844, 2124, 2766, 3422, 4149, 5133, 5532, 6844, 8298, 10266, 13369, 15399, 16596, 20532, 26738, 27199, 30798, 40107, 53476, 54398, 61596, 80214, 81597, 108796, 120321, 160428, 163194, 240642, 244791, 326388, 481284, 489582, 788771, 979164, 1577542, 2366313, 3155084, 4732626, 7098939, 9465252, 14197878, 28395756]

約数ペア:

[(1, 28395756), (2, 14197878), (3, 9465252), (4, 7098939), (6, 4732626), (9, 3155084), (12, 2366313), (18, 1577542), (29, 979164), (36, 788771), (58, 489582), (59, 481284), (87, 326388), (116, 244791), (118, 240642), (174, 163194), (177, 160428), (236, 120321), (261, 108796), (348, 81597), (354, 80214), (461, 61596), (522, 54398), (531, 53476), (708, 40107), (922, 30798), (1044, 27199), (1062, 26738), (1383, 20532), (1711, 16596), (1844, 15399), (2124, 13369), (2766, 10266), (3422, 8298), (4149, 6844), (5133, 5532)]