28013212

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 54528768

約数和(自身を除く): 26515556

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 97, 124, 137, 194, 274, 388, 527, 548, 1054, 1649, 2108, 2329, 3007, 3298, 4247, 4658, 6014, 6596, 8494, 9316, 12028, 13289, 16988, 26578, 51119, 53156, 72199, 102238, 144398, 204476, 225913, 288796, 411959, 451826, 823918, 903652, 1647836, 7003303, 14006606, 28013212]

約数ペア:

[(1, 28013212), (2, 14006606), (4, 7003303), (17, 1647836), (31, 903652), (34, 823918), (62, 451826), (68, 411959), (97, 288796), (124, 225913), (137, 204476), (194, 144398), (274, 102238), (388, 72199), (527, 53156), (548, 51119), (1054, 26578), (1649, 16988), (2108, 13289), (2329, 12028), (3007, 9316), (3298, 8494), (4247, 6596), (4658, 6014)]