2155471.00000000

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1889}}^1$

素因数の和:1948

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 26735996

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 148, 154, 259, 308, 407, 518, 814, 1036, 1628, 1889, 2849, 3778, 5698, 7556, 11396, 13223, 20779, 26446, 41558, 52892, 69893, 83116, 139786, 145453, 279572, 290906, 489251, 581812, 768823, 978502, 1537646, 1957004, 3075292, 5381761, 10763522, 21527044]

約数ペア:

[(1, 21527044), (2, 10763522), (4, 5381761), (7, 3075292), (11, 1957004), (14, 1537646), (22, 978502), (28, 768823), (37, 581812), (44, 489251), (74, 290906), (77, 279572), (148, 145453), (154, 139786), (259, 83116), (308, 69893), (407, 52892), (518, 41558), (814, 26446), (1036, 20779), (1628, 13223), (1889, 11396), (2849, 7556), (3778, 5698)]