290682722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{4789}}^1$

素因数の和:4922

約数の個数: 32

約数和(自身を含む): 496627200

約数和(自身を除く): 205944478

約数列:

[1, 2, 11, 22, 31, 62, 89, 178, 341, 682, 979, 1958, 2759, 4789, 5518, 9578, 30349, 52679, 60698, 105358, 148459, 296918, 426221, 852442, 1633049, 3266098, 4688431, 9376862, 13212851, 26425702, 145341361, 290682722]

約数ペア:

[(1, 290682722), (2, 145341361), (11, 26425702), (22, 13212851), (31, 9376862), (62, 4688431), (89, 3266098), (178, 1633049), (341, 852442), (682, 426221), (979, 296918), (1958, 148459), (2759, 105358), (4789, 60698), (5518, 52679), (9578, 30349)]