13185906517

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{89}}^2\times {\mathrm{641}}^1$

素因数の和:886

約数の個数: 36

約数和(自身を含む): 15830344836

約数和(自身を除く): 2644438319

約数列:

[1, 7, 49, 53, 89, 371, 623, 641, 2597, 4361, 4487, 4717, 7921, 31409, 33019, 33973, 55447, 57049, 231133, 237811, 388129, 399343, 419813, 1664677, 2795401, 2938691, 3023597, 5077361, 20570837, 21165179, 35541527, 148156253, 248790689, 269100133, 1883700931, 13185906517]

約数ペア:

[(1, 13185906517), (7, 1883700931), (49, 269100133), (53, 248790689), (89, 148156253), (371, 35541527), (623, 21165179), (641, 20570837), (2597, 5077361), (4361, 3023597), (4487, 2938691), (4717, 2795401), (7921, 1664677), (31409, 419813), (33019, 399343), (33973, 388129), (55447, 237811), (57049, 231133)]