1298491312

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{185711}}^1$

素因数の和:185761

約数の個数: 40

約数和(自身を含む): 2763394560

約数和(自身を除く): 1464903248

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 874, 1748, 3496, 6992, 185711, 371422, 742844, 1485688, 2971376, 3528509, 4271353, 7057018, 8542706, 14114036, 17085412, 28228072, 34170824, 56456144, 68341648, 81155707, 162311414, 324622828, 649245656, 1298491312]

約数ペア:

[(1, 1298491312), (2, 649245656), (4, 324622828), (8, 162311414), (16, 81155707), (19, 68341648), (23, 56456144), (38, 34170824), (46, 28228072), (76, 17085412), (92, 14114036), (152, 8542706), (184, 7057018), (304, 4271353), (368, 3528509), (437, 2971376), (874, 1485688), (1748, 742844), (3496, 371422), (6992, 185711)]