25989964

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6491}}^1$

素因数の和:6526

約数の個数: 48

約数和(自身を含む): 61076736

約数和(自身を除く): 35086772

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 6491, 12982, 25964, 45437, 71401, 84383, 90874, 142802, 168766, 181748, 285604, 337532, 499807, 590681, 928213, 999614, 1181362, 1856426, 1999228, 2362724, 3712852, 6497491, 12994982, 25989964]

約数ペア:

[(1, 25989964), (2, 12994982), (4, 6497491), (7, 3712852), (11, 2362724), (13, 1999228), (14, 1856426), (22, 1181362), (26, 999614), (28, 928213), (44, 590681), (52, 499807), (77, 337532), (91, 285604), (143, 181748), (154, 168766), (182, 142802), (286, 90874), (308, 84383), (364, 71401), (572, 45437), (1001, 25964), (2002, 12982), (4004, 6491)]