1808651598

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{7253}}^1$

素因数の和:7433

約数の個数: 64

約数和(自身を含む): 4094737920

約数和(自身を除く): 2286086322

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 139, 278, 299, 417, 598, 834, 897, 1794, 1807, 3197, 3614, 5421, 6394, 7253, 9591, 10842, 14506, 19182, 21759, 41561, 43518, 83122, 94289, 124683, 166819, 188578, 249366, 282867, 333638, 500457, 565734, 1000914, 1008167, 2016334, 2168647, 3024501, 4337294, 6049002, 6505941, 13011882, 13106171, 23187841, 26212342, 39318513, 46375682, 69563523, 78637026, 139127046, 301441933, 602883866, 904325799, 1808651598]

約数ペア:

[(1, 1808651598), (2, 904325799), (3, 602883866), (6, 301441933), (13, 139127046), (23, 78637026), (26, 69563523), (39, 46375682), (46, 39318513), (69, 26212342), (78, 23187841), (138, 13106171), (139, 13011882), (278, 6505941), (299, 6049002), (417, 4337294), (598, 3024501), (834, 2168647), (897, 2016334), (1794, 1008167), (1807, 1000914), (3197, 565734), (3614, 500457), (5421, 333638), (6394, 282867), (7253, 249366), (9591, 188578), (10842, 166819), (14506, 124683), (19182, 94289), (21759, 83122), (41561, 43518)]