2648651012

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{599}}^1\times {\mathrm{1999}}^1$

素因数の和:2688

約数の個数: 48

約数和(自身を含む): 5376000000

約数和(自身を除く): 2727348988

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 599, 1106, 1198, 1999, 2212, 2396, 3998, 4193, 7996, 8386, 13993, 16772, 27986, 47321, 55972, 94642, 157921, 189284, 315842, 331247, 631684, 662494, 1105447, 1197401, 1324988, 2210894, 2394802, 4421788, 4789604, 8381807, 16763614, 33527228, 94594679, 189189358, 378378716, 662162753, 1324325506, 2648651012]

約数ペア:

[(1, 2648651012), (2, 1324325506), (4, 662162753), (7, 378378716), (14, 189189358), (28, 94594679), (79, 33527228), (158, 16763614), (316, 8381807), (553, 4789604), (599, 4421788), (1106, 2394802), (1198, 2210894), (1999, 1324988), (2212, 1197401), (2396, 1105447), (3998, 662494), (4193, 631684), (7996, 331247), (8386, 315842), (13993, 189284), (16772, 157921), (27986, 94642), (47321, 55972)]