128211538

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{641}}^1$

素因数の和:827

約数の個数: 48

約数和(自身を含む): 242837784

約数和(自身を除く): 114626246

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 157, 182, 314, 637, 641, 1099, 1274, 1282, 2041, 2198, 4082, 4487, 7693, 8333, 8974, 14287, 15386, 16666, 28574, 31409, 58331, 62818, 100009, 100637, 116662, 200018, 201274, 408317, 704459, 816634, 1308281, 1408918, 2616562, 4931213, 9157967, 9862426, 18315934, 64105769, 128211538]

約数ペア:

[(1, 128211538), (2, 64105769), (7, 18315934), (13, 9862426), (14, 9157967), (26, 4931213), (49, 2616562), (91, 1408918), (98, 1308281), (157, 816634), (182, 704459), (314, 408317), (637, 201274), (641, 200018), (1099, 116662), (1274, 100637), (1282, 100009), (2041, 62818), (2198, 58331), (4082, 31409), (4487, 28574), (7693, 16666), (8333, 15386), (8974, 14287)]