28345188

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 75479040

約数和(自身を除く): 47133852

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 71, 76, 102, 103, 114, 142, 204, 206, 213, 228, 284, 309, 323, 412, 426, 618, 646, 852, 969, 1207, 1236, 1292, 1349, 1751, 1938, 1957, 2414, 2698, 3502, 3621, 3876, 3914, 4047, 4828, 5253, 5396, 5871, 7004, 7242, 7313, 7828, 8094, 10506, 11742, 14484, 14626, 16188, 21012, 21939, 22933, 23484, 29252, 33269, 43878, 45866, 66538, 68799, 87756, 91732, 99807, 124321, 133076, 137598, 138947, 199614, 248642, 275196, 277894, 372963, 399228, 416841, 497284, 555788, 745926, 833682, 1491852, 1667364, 2362099, 4724198, 7086297, 9448396, 14172594, 28345188]

約数ペア:

[(1, 28345188), (2, 14172594), (3, 9448396), (4, 7086297), (6, 4724198), (12, 2362099), (17, 1667364), (19, 1491852), (34, 833682), (38, 745926), (51, 555788), (57, 497284), (68, 416841), (71, 399228), (76, 372963), (102, 277894), (103, 275196), (114, 248642), (142, 199614), (204, 138947), (206, 137598), (213, 133076), (228, 124321), (284, 99807), (309, 91732), (323, 87756), (412, 68799), (426, 66538), (618, 45866), (646, 43878), (852, 33269), (969, 29252), (1207, 23484), (1236, 22933), (1292, 21939), (1349, 21012), (1751, 16188), (1938, 14626), (1957, 14484), (2414, 11742), (2698, 10506), (3502, 8094), (3621, 7828), (3876, 7313), (3914, 7242), (4047, 7004), (4828, 5871), (5253, 5396)]