28153112

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{643}}^1$

素因数の和:1083

約数の個数: 32

約数和(自身を含む): 57071280

約数和(自身を除く): 28918168

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 421, 643, 842, 1286, 1684, 2572, 3368, 5144, 5473, 8359, 10946, 16718, 21892, 33436, 43784, 66872, 270703, 541406, 1082812, 2165624, 3519139, 7038278, 14076556, 28153112]

約数ペア:

[(1, 28153112), (2, 14076556), (4, 7038278), (8, 3519139), (13, 2165624), (26, 1082812), (52, 541406), (104, 270703), (421, 66872), (643, 43784), (842, 33436), (1286, 21892), (1684, 16718), (2572, 10946), (3368, 8359), (5144, 5473)]