2011103815

素因数分解:

$5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{2539}}^1$

素因数の和:2672

約数の個数: 48

約数和(自身を含む): 2908340640

約数和(自身を除く): 897236825

約数列:

[1, 5, 7, 35, 49, 53, 61, 245, 265, 305, 371, 427, 1855, 2135, 2539, 2597, 2989, 3233, 12695, 12985, 14945, 16165, 17773, 22631, 88865, 113155, 124411, 134567, 154879, 158417, 622055, 672835, 774395, 792085, 941969, 1084153, 4709845, 5420765, 6593783, 7589071, 8208587, 32968915, 37945355, 41042935, 57460109, 287300545, 402220763, 2011103815]

約数ペア:

[(1, 2011103815), (5, 402220763), (7, 287300545), (35, 57460109), (49, 41042935), (53, 37945355), (61, 32968915), (245, 8208587), (265, 7589071), (305, 6593783), (371, 5420765), (427, 4709845), (1855, 1084153), (2135, 941969), (2539, 792085), (2597, 774395), (2989, 672835), (3233, 622055), (12695, 158417), (12985, 154879), (14945, 134567), (16165, 124411), (17773, 113155), (22631, 88865)]