311922268

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1\times {\mathrm{563}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 639765504

約数和(自身を除く): 327843236

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 421, 563, 658, 842, 1126, 1316, 1684, 2252, 2947, 3941, 5894, 7882, 11788, 15764, 19787, 26461, 39574, 52922, 79148, 105844, 138509, 185227, 237023, 277018, 370454, 474046, 554036, 740908, 948092, 1659161, 3318322, 6636644, 11140081, 22280162, 44560324, 77980567, 155961134, 311922268]

約数ペア:

[(1, 311922268), (2, 155961134), (4, 77980567), (7, 44560324), (14, 22280162), (28, 11140081), (47, 6636644), (94, 3318322), (188, 1659161), (329, 948092), (421, 740908), (563, 554036), (658, 474046), (842, 370454), (1126, 277018), (1316, 237023), (1684, 185227), (2252, 138509), (2947, 105844), (3941, 79148), (5894, 52922), (7882, 39574), (11788, 26461), (15764, 19787)]