131428748

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{383}}^1\times {\mathrm{709}}^1$

素因数の和:1118

約数の個数: 36

約数和(自身を含む): 253827840

約数和(自身を除く): 122399092

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 383, 484, 709, 766, 1418, 1532, 2836, 4213, 7799, 8426, 15598, 16852, 31196, 46343, 85789, 92686, 171578, 185372, 271547, 343156, 543094, 1086188, 2987017, 5974034, 11948068, 32857187, 65714374, 131428748]

約数ペア:

[(1, 131428748), (2, 65714374), (4, 32857187), (11, 11948068), (22, 5974034), (44, 2987017), (121, 1086188), (242, 543094), (383, 343156), (484, 271547), (709, 185372), (766, 171578), (1418, 92686), (1532, 85789), (2836, 46343), (4213, 31196), (7799, 16852), (8426, 15598)]