139974128

素因数分解:

$2^4\times 7^1\times {\mathrm{349}}^1\times {\mathrm{3581}}^1$

素因数の和:3945

約数の個数: 40

約数和(自身を含む): 310917600

約数和(自身を除く): 170943472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 349, 698, 1396, 2443, 2792, 3581, 4886, 5584, 7162, 9772, 14324, 19544, 25067, 28648, 39088, 50134, 57296, 100268, 200536, 401072, 1249769, 2499538, 4999076, 8748383, 9998152, 17496766, 19996304, 34993532, 69987064, 139974128]

約数ペア:

[(1, 139974128), (2, 69987064), (4, 34993532), (7, 19996304), (8, 17496766), (14, 9998152), (16, 8748383), (28, 4999076), (56, 2499538), (112, 1249769), (349, 401072), (698, 200536), (1396, 100268), (2443, 57296), (2792, 50134), (3581, 39088), (4886, 28648), (5584, 25067), (7162, 19544), (9772, 14324)]