2008488988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1\times {\mathrm{911}}^1$

素因数の和:1578

約数の個数: 48

約数和(自身を含む): 3888622080

約数和(自身を除く): 1880133092

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 563, 911, 979, 1126, 1822, 1958, 2252, 3644, 3916, 6193, 10021, 12386, 20042, 24772, 40084, 50107, 81079, 100214, 162158, 200428, 324316, 512893, 551177, 891869, 1025786, 1102354, 1783738, 2051572, 2204708, 3567476, 5641823, 11283646, 22567292, 45647477, 91294954, 182589908, 502122247, 1004244494, 2008488988]

約数ペア:

[(1, 2008488988), (2, 1004244494), (4, 502122247), (11, 182589908), (22, 91294954), (44, 45647477), (89, 22567292), (178, 11283646), (356, 5641823), (563, 3567476), (911, 2204708), (979, 2051572), (1126, 1783738), (1822, 1102354), (1958, 1025786), (2252, 891869), (3644, 551177), (3916, 512893), (6193, 324316), (10021, 200428), (12386, 162158), (20042, 100214), (24772, 81079), (40084, 50107)]