81117488

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{269}}^1\times {\mathrm{401}}^1$

素因数の和:725

約数の個数: 40

約数和(自身を含む): 161507520

約数和(自身を除く): 80390032

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 269, 376, 401, 538, 752, 802, 1076, 1604, 2152, 3208, 4304, 6416, 12643, 18847, 25286, 37694, 50572, 75388, 101144, 107869, 150776, 202288, 215738, 301552, 431476, 862952, 1725904, 5069843, 10139686, 20279372, 40558744, 81117488]

約数ペア:

[(1, 81117488), (2, 40558744), (4, 20279372), (8, 10139686), (16, 5069843), (47, 1725904), (94, 862952), (188, 431476), (269, 301552), (376, 215738), (401, 202288), (538, 150776), (752, 107869), (802, 101144), (1076, 75388), (1604, 50572), (2152, 37694), (3208, 25286), (4304, 18847), (6416, 12643)]