28911288

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:277

約数の個数: 128

約数和(自身を含む): 89579520

約数和(自身を除く): 60668232

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 53, 56, 68, 84, 102, 106, 119, 136, 159, 168, 191, 204, 212, 238, 318, 357, 371, 382, 408, 424, 476, 573, 636, 714, 742, 764, 901, 952, 1113, 1146, 1272, 1337, 1428, 1484, 1528, 1802, 2226, 2292, 2674, 2703, 2856, 2968, 3247, 3604, 4011, 4452, 4584, 5348, 5406, 6307, 6494, 7208, 8022, 8904, 9741, 10123, 10696, 10812, 12614, 12988, 16044, 18921, 19482, 20246, 21624, 22729, 25228, 25976, 30369, 32088, 37842, 38964, 40492, 45458, 50456, 60738, 68187, 70861, 75684, 77928, 80984, 90916, 121476, 136374, 141722, 151368, 172091, 181832, 212583, 242952, 272748, 283444, 344182, 425166, 516273, 545496, 566888, 688364, 850332, 1032546, 1204637, 1376728, 1700664, 2065092, 2409274, 3613911, 4130184, 4818548, 7227822, 9637096, 14455644, 28911288]

約数ペア:

[(1, 28911288), (2, 14455644), (3, 9637096), (4, 7227822), (6, 4818548), (7, 4130184), (8, 3613911), (12, 2409274), (14, 2065092), (17, 1700664), (21, 1376728), (24, 1204637), (28, 1032546), (34, 850332), (42, 688364), (51, 566888), (53, 545496), (56, 516273), (68, 425166), (84, 344182), (102, 283444), (106, 272748), (119, 242952), (136, 212583), (159, 181832), (168, 172091), (191, 151368), (204, 141722), (212, 136374), (238, 121476), (318, 90916), (357, 80984), (371, 77928), (382, 75684), (408, 70861), (424, 68187), (476, 60738), (573, 50456), (636, 45458), (714, 40492), (742, 38964), (764, 37842), (901, 32088), (952, 30369), (1113, 25976), (1146, 25228), (1272, 22729), (1337, 21624), (1428, 20246), (1484, 19482), (1528, 18921), (1802, 16044), (2226, 12988), (2292, 12614), (2674, 10812), (2703, 10696), (2856, 10123), (2968, 9741), (3247, 8904), (3604, 8022), (4011, 7208), (4452, 6494), (4584, 6307), (5348, 5406)]