123770128

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{193}}^1\times {\mathrm{269}}^1$

素因数の和:619

約数の個数: 40

約数和(自身を含む): 243567000

約数和(自身を除く): 119796872

約数列:

[1, 2, 4, 8, 16, 149, 193, 269, 298, 386, 538, 596, 772, 1076, 1192, 1544, 2152, 2384, 3088, 4304, 28757, 40081, 51917, 57514, 80162, 103834, 115028, 160324, 207668, 230056, 320648, 415336, 460112, 641296, 830672, 7735633, 15471266, 30942532, 61885064, 123770128]

約数ペア:

[(1, 123770128), (2, 61885064), (4, 30942532), (8, 15471266), (16, 7735633), (149, 830672), (193, 641296), (269, 460112), (298, 415336), (386, 320648), (538, 230056), (596, 207668), (772, 160324), (1076, 115028), (1192, 103834), (1544, 80162), (2152, 57514), (2384, 51917), (3088, 40081), (4304, 28757)]