139620005

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{691}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 200890368

約数和(自身を除く): 61270363

約数列:

[1, 5, 7, 23, 35, 115, 161, 251, 691, 805, 1255, 1757, 3455, 4837, 5773, 8785, 15893, 24185, 28865, 40411, 79465, 111251, 173441, 202055, 556255, 867205, 1214087, 3989143, 6070435, 19945715, 27924001, 139620005]

約数ペア:

[(1, 139620005), (5, 27924001), (7, 19945715), (23, 6070435), (35, 3989143), (115, 1214087), (161, 867205), (251, 556255), (691, 202055), (805, 173441), (1255, 111251), (1757, 79465), (3455, 40411), (4837, 28865), (5773, 24185), (8785, 15893)]