123764879

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 164153088

約数和(自身を除く): 40388209

約数列:

[1, 7, 17, 19, 43, 67, 119, 133, 301, 323, 361, 469, 731, 817, 1139, 1273, 2261, 2527, 2881, 5117, 5719, 6137, 7973, 8911, 13889, 15523, 20167, 21641, 24187, 42959, 48977, 54739, 97223, 108661, 151487, 169309, 263891, 342839, 383173, 411179, 930563, 1040041, 1847237, 2878253, 6513941, 7280287, 17680697, 123764879]

約数ペア:

[(1, 123764879), (7, 17680697), (17, 7280287), (19, 6513941), (43, 2878253), (67, 1847237), (119, 1040041), (133, 930563), (301, 411179), (323, 383173), (361, 342839), (469, 263891), (731, 169309), (817, 151487), (1139, 108661), (1273, 97223), (2261, 54739), (2527, 48977), (2881, 42959), (5117, 24187), (5719, 21641), (6137, 20167), (7973, 15523), (8911, 13889)]