27857778

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 63673344

約数和(自身を除く): 35815566

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 41, 62, 78, 82, 93, 123, 186, 246, 281, 403, 533, 562, 806, 843, 1066, 1209, 1271, 1599, 1686, 2418, 2542, 3198, 3653, 3813, 7306, 7626, 8711, 10959, 11521, 16523, 17422, 21918, 23042, 26133, 33046, 34563, 49569, 52266, 69126, 99138, 113243, 149773, 226486, 299546, 339729, 357151, 449319, 679458, 714302, 898638, 1071453, 2142906, 4642963, 9285926, 13928889, 27857778]

約数ペア:

[(1, 27857778), (2, 13928889), (3, 9285926), (6, 4642963), (13, 2142906), (26, 1071453), (31, 898638), (39, 714302), (41, 679458), (62, 449319), (78, 357151), (82, 339729), (93, 299546), (123, 226486), (186, 149773), (246, 113243), (281, 99138), (403, 69126), (533, 52266), (562, 49569), (806, 34563), (843, 33046), (1066, 26133), (1209, 23042), (1271, 21918), (1599, 17422), (1686, 16523), (2418, 11521), (2542, 10959), (3198, 8711), (3653, 7626), (3813, 7306)]