254992444

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{6491}}^1$

素因数の和:6586

約数の個数: 48

約数和(自身を含む): 540965376

約数和(自身を除く): 285972932

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 61, 92, 122, 161, 244, 322, 427, 644, 854, 1403, 1708, 2806, 5612, 6491, 9821, 12982, 19642, 25964, 39284, 45437, 90874, 149293, 181748, 298586, 395951, 597172, 791902, 1045051, 1583804, 2090102, 2771657, 4180204, 5543314, 9106873, 11086628, 18213746, 36427492, 63748111, 127496222, 254992444]

約数ペア:

[(1, 254992444), (2, 127496222), (4, 63748111), (7, 36427492), (14, 18213746), (23, 11086628), (28, 9106873), (46, 5543314), (61, 4180204), (92, 2771657), (122, 2090102), (161, 1583804), (244, 1045051), (322, 791902), (427, 597172), (644, 395951), (854, 298586), (1403, 181748), (1708, 149293), (2806, 90874), (5612, 45437), (6491, 39284), (9821, 25964), (12982, 19642)]