313615876

素因数分解:

$2^2\times 7^3\times {\mathrm{179}}^1\times {\mathrm{1277}}^1$

素因数の和:1481

約数の個数: 48

約数和(自身を含む): 644112000

約数和(自身を除く): 330496124

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 179, 196, 343, 358, 686, 716, 1253, 1277, 1372, 2506, 2554, 5012, 5108, 8771, 8939, 17542, 17878, 35084, 35756, 61397, 62573, 122794, 125146, 228583, 245588, 250292, 438011, 457166, 876022, 914332, 1600081, 1752044, 3200162, 6400324, 11200567, 22401134, 44802268, 78403969, 156807938, 313615876]

約数ペア:

[(1, 313615876), (2, 156807938), (4, 78403969), (7, 44802268), (14, 22401134), (28, 11200567), (49, 6400324), (98, 3200162), (179, 1752044), (196, 1600081), (343, 914332), (358, 876022), (686, 457166), (716, 438011), (1253, 250292), (1277, 245588), (1372, 228583), (2506, 125146), (2554, 122794), (5012, 62573), (5108, 61397), (8771, 35756), (8939, 35084), (17542, 17878)]