161761928

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{3989}}^1$

素因数の和:4169

約数の個数: 32

約数和(自身を含む): 313853400

約数和(自身を除く): 152091472

約数列:

[1, 2, 4, 8, 37, 74, 137, 148, 274, 296, 548, 1096, 3989, 5069, 7978, 10138, 15956, 20276, 31912, 40552, 147593, 295186, 546493, 590372, 1092986, 1180744, 2185972, 4371944, 20220241, 40440482, 80880964, 161761928]

約数ペア:

[(1, 161761928), (2, 80880964), (4, 40440482), (8, 20220241), (37, 4371944), (74, 2185972), (137, 1180744), (148, 1092986), (274, 590372), (296, 546493), (548, 295186), (1096, 147593), (3989, 40552), (5069, 31912), (7978, 20276), (10138, 15956)]