1377962878

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{260879}}^1$

素因数の和:261039

約数の個数: 16

約数和(自身を含む): 2191392000

約数和(自身を除く): 813429122

約数列:

[1, 2, 19, 38, 139, 278, 2641, 5282, 260879, 521758, 4956701, 9913402, 36262181, 72524362, 688981439, 1377962878]

約数ペア:

[(1, 1377962878), (2, 688981439), (19, 72524362), (38, 36262181), (139, 9913402), (278, 4956701), (2641, 521758), (5282, 260879)]