28138352

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:234

約数の個数: 80

約数和(自身を含む): 63612000

約数和(自身を除く): 35473648

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 37, 44, 58, 74, 88, 116, 148, 149, 176, 232, 296, 298, 319, 407, 464, 592, 596, 638, 814, 1073, 1192, 1276, 1628, 1639, 2146, 2384, 2552, 3256, 3278, 4292, 4321, 5104, 5513, 6512, 6556, 8584, 8642, 11026, 11803, 13112, 17168, 17284, 22052, 23606, 26224, 34568, 44104, 47212, 47531, 60643, 69136, 88208, 94424, 95062, 121286, 159877, 188848, 190124, 242572, 319754, 380248, 485144, 639508, 760496, 970288, 1279016, 1758647, 2558032, 3517294, 7034588, 14069176, 28138352]

約数ペア:

[(1, 28138352), (2, 14069176), (4, 7034588), (8, 3517294), (11, 2558032), (16, 1758647), (22, 1279016), (29, 970288), (37, 760496), (44, 639508), (58, 485144), (74, 380248), (88, 319754), (116, 242572), (148, 190124), (149, 188848), (176, 159877), (232, 121286), (296, 95062), (298, 94424), (319, 88208), (407, 69136), (464, 60643), (592, 47531), (596, 47212), (638, 44104), (814, 34568), (1073, 26224), (1192, 23606), (1276, 22052), (1628, 17284), (1639, 17168), (2146, 13112), (2384, 11803), (2552, 11026), (3256, 8642), (3278, 8584), (4292, 6556), (4321, 6512), (5104, 5513)]