2017764890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{20929}}^1$

素因数の和:21278

約数の個数: 32

約数和(自身を含む): 3761372160

約数和(自身を除く): 1743607270

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 311, 622, 1555, 3110, 9641, 19282, 20929, 41858, 48205, 96410, 104645, 209290, 648799, 1297598, 3243995, 6487990, 6508919, 13017838, 32544595, 65089190, 201776489, 403552978, 1008882445, 2017764890]

約数ペア:

[(1, 2017764890), (2, 1008882445), (5, 403552978), (10, 201776489), (31, 65089190), (62, 32544595), (155, 13017838), (310, 6508919), (311, 6487990), (622, 3243995), (1555, 1297598), (3110, 648799), (9641, 209290), (19282, 104645), (20929, 96410), (41858, 48205)]