1284997403774

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{128731457}}^1$

素因数の和:128731520

約数の個数: 32

約数和(自身を含む): 2372778233856

約数和(自身を除く): 1087780830082

約数列:

[1, 2, 7, 14, 23, 31, 46, 62, 161, 217, 322, 434, 713, 1426, 4991, 9982, 128731457, 257462914, 901120199, 1802240398, 2960823511, 3990675167, 5921647022, 7981350334, 20725764577, 27934726169, 41451529154, 55869452338, 91785528841, 183571057682, 642498701887, 1284997403774]

約数ペア:

[(1, 1284997403774), (2, 642498701887), (7, 183571057682), (14, 91785528841), (23, 55869452338), (31, 41451529154), (46, 27934726169), (62, 20725764577), (161, 7981350334), (217, 5921647022), (322, 3990675167), (434, 2960823511), (713, 1802240398), (1426, 901120199), (4991, 257462914), (9982, 128731457)]