28528332

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 79876608

約数和(自身を除く): 51348276

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 67, 74, 84, 111, 134, 137, 148, 201, 222, 259, 268, 274, 402, 411, 444, 469, 518, 548, 777, 804, 822, 938, 959, 1036, 1407, 1554, 1644, 1876, 1918, 2479, 2814, 2877, 3108, 3836, 4958, 5069, 5628, 5754, 7437, 9179, 9916, 10138, 11508, 14874, 15207, 17353, 18358, 20276, 27537, 29748, 30414, 34706, 35483, 36716, 52059, 55074, 60828, 64253, 69412, 70966, 104118, 106449, 110148, 128506, 141932, 192759, 208236, 212898, 257012, 339623, 385518, 425796, 679246, 771036, 1018869, 1358492, 2037738, 2377361, 4075476, 4754722, 7132083, 9509444, 14264166, 28528332]

約数ペア:

[(1, 28528332), (2, 14264166), (3, 9509444), (4, 7132083), (6, 4754722), (7, 4075476), (12, 2377361), (14, 2037738), (21, 1358492), (28, 1018869), (37, 771036), (42, 679246), (67, 425796), (74, 385518), (84, 339623), (111, 257012), (134, 212898), (137, 208236), (148, 192759), (201, 141932), (222, 128506), (259, 110148), (268, 106449), (274, 104118), (402, 70966), (411, 69412), (444, 64253), (469, 60828), (518, 55074), (548, 52059), (777, 36716), (804, 35483), (822, 34706), (938, 30414), (959, 29748), (1036, 27537), (1407, 20276), (1554, 18358), (1644, 17353), (1876, 15207), (1918, 14874), (2479, 11508), (2814, 10138), (2877, 9916), (3108, 9179), (3836, 7437), (4958, 5754), (5069, 5628)]