128247434

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1\times {\mathrm{641}}^1$

素因数の和:1142

約数の個数: 32

約数和(自身を含む): 227791872

約数和(自身を除く): 99544438

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 461, 641, 922, 1282, 3227, 4487, 6454, 8974, 14291, 19871, 28582, 39742, 100037, 139097, 200074, 278194, 295501, 591002, 2068507, 4137014, 9160531, 18321062, 64123717, 128247434]

約数ペア:

[(1, 128247434), (2, 64123717), (7, 18321062), (14, 9160531), (31, 4137014), (62, 2068507), (217, 591002), (434, 295501), (461, 278194), (641, 200074), (922, 139097), (1282, 100037), (3227, 39742), (4487, 28582), (6454, 19871), (8974, 14291)]