249249616

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{659}}^1$

素因数の和:992

約数の個数: 80

約数和(自身を含む): 604961280

約数和(自身を除く): 355711664

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 307, 308, 614, 616, 659, 1228, 1232, 1318, 2149, 2456, 2636, 3377, 4298, 4613, 4912, 5272, 6754, 7249, 8596, 9226, 10544, 13508, 14498, 17192, 18452, 23639, 27016, 28996, 34384, 36904, 47278, 50743, 54032, 57992, 73808, 94556, 101486, 115984, 189112, 202313, 202972, 378224, 404626, 405944, 809252, 811888, 1416191, 1618504, 2225443, 2832382, 3237008, 4450886, 5664764, 8901772, 11329528, 15578101, 17803544, 22659056, 31156202, 35607088, 62312404, 124624808, 249249616]

約数ペア:

[(1, 249249616), (2, 124624808), (4, 62312404), (7, 35607088), (8, 31156202), (11, 22659056), (14, 17803544), (16, 15578101), (22, 11329528), (28, 8901772), (44, 5664764), (56, 4450886), (77, 3237008), (88, 2832382), (112, 2225443), (154, 1618504), (176, 1416191), (307, 811888), (308, 809252), (614, 405944), (616, 404626), (659, 378224), (1228, 202972), (1232, 202313), (1318, 189112), (2149, 115984), (2456, 101486), (2636, 94556), (3377, 73808), (4298, 57992), (4613, 54032), (4912, 50743), (5272, 47278), (6754, 36904), (7249, 34384), (8596, 28996), (9226, 27016), (10544, 23639), (13508, 18452), (14498, 17192)]