1279314688

素因数分解:

$2^8\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:290

約数の個数: 108

約数和(自身を含む): 2741249280

約数和(自身を除く): 1461934592

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 109, 127, 128, 152, 218, 254, 256, 304, 361, 436, 508, 608, 722, 872, 1016, 1216, 1444, 1744, 2032, 2071, 2413, 2432, 2888, 3488, 4064, 4142, 4826, 4864, 5776, 6976, 8128, 8284, 9652, 11552, 13843, 13952, 16256, 16568, 19304, 23104, 27686, 27904, 32512, 33136, 38608, 39349, 45847, 46208, 55372, 66272, 77216, 78698, 91694, 92416, 110744, 132544, 154432, 157396, 183388, 221488, 263017, 265088, 308864, 314792, 366776, 442976, 526034, 530176, 617728, 629584, 733552, 885952, 1052068, 1259168, 1467104, 1771904, 2104136, 2518336, 2934208, 3543808, 4208272, 4997323, 5036672, 5868416, 8416544, 9994646, 10073344, 11736832, 16833088, 19989292, 33666176, 39978584, 67332352, 79957168, 159914336, 319828672, 639657344, 1279314688]

約数ペア:

[(1, 1279314688), (2, 639657344), (4, 319828672), (8, 159914336), (16, 79957168), (19, 67332352), (32, 39978584), (38, 33666176), (64, 19989292), (76, 16833088), (109, 11736832), (127, 10073344), (128, 9994646), (152, 8416544), (218, 5868416), (254, 5036672), (256, 4997323), (304, 4208272), (361, 3543808), (436, 2934208), (508, 2518336), (608, 2104136), (722, 1771904), (872, 1467104), (1016, 1259168), (1216, 1052068), (1444, 885952), (1744, 733552), (2032, 629584), (2071, 617728), (2413, 530176), (2432, 526034), (2888, 442976), (3488, 366776), (4064, 314792), (4142, 308864), (4826, 265088), (4864, 263017), (5776, 221488), (6976, 183388), (8128, 157396), (8284, 154432), (9652, 132544), (11552, 110744), (13843, 92416), (13952, 91694), (16256, 78698), (16568, 77216), (19304, 66272), (23104, 55372), (27686, 46208), (27904, 45847), (32512, 39349), (33136, 38608)]