2778828

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 7150080

約数和(自身を除く): 4371252

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 78, 94, 141, 156, 188, 282, 379, 564, 611, 758, 1137, 1222, 1516, 1833, 2274, 2444, 3666, 4548, 4927, 7332, 9854, 14781, 17813, 19708, 29562, 35626, 53439, 59124, 71252, 106878, 213756, 231569, 463138, 694707, 926276, 1389414, 2778828]

約数ペア:

[(1, 2778828), (2, 1389414), (3, 926276), (4, 694707), (6, 463138), (12, 231569), (13, 213756), (26, 106878), (39, 71252), (47, 59124), (52, 53439), (78, 35626), (94, 29562), (141, 19708), (156, 17813), (188, 14781), (282, 9854), (379, 7332), (564, 4927), (611, 4548), (758, 3666), (1137, 2444), (1222, 2274), (1516, 1833)]