2221000288

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{280997}}^1$

素因数の和:281039

約数の個数: 48

約数和(自身を含む): 4956804720

約数和(自身を除く): 2735804432

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 3952, 7904, 280997, 561994, 1123988, 2247976, 3652961, 4495952, 5338943, 7305922, 8991904, 10677886, 14611844, 21355772, 29223688, 42711544, 58447376, 69406259, 85423088, 116894752, 138812518, 170846176, 277625036, 555250072, 1110500144, 2221000288]

約数ペア:

[(1, 2221000288), (2, 1110500144), (4, 555250072), (8, 277625036), (13, 170846176), (16, 138812518), (19, 116894752), (26, 85423088), (32, 69406259), (38, 58447376), (52, 42711544), (76, 29223688), (104, 21355772), (152, 14611844), (208, 10677886), (247, 8991904), (304, 7305922), (416, 5338943), (494, 4495952), (608, 3652961), (988, 2247976), (1976, 1123988), (3952, 561994), (7904, 280997)]