28569226

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 50440320

約数和(自身を除く): 21871094

約数列:

[1, 2, 7, 14, 53, 106, 139, 277, 278, 371, 554, 742, 973, 1939, 1946, 3878, 7367, 14681, 14734, 29362, 38503, 51569, 77006, 102767, 103138, 205534, 269521, 539042, 2040659, 4081318, 14284613, 28569226]

約数ペア:

[(1, 28569226), (2, 14284613), (7, 4081318), (14, 2040659), (53, 539042), (106, 269521), (139, 205534), (277, 103138), (278, 102767), (371, 77006), (554, 51569), (742, 38503), (973, 29362), (1939, 14734), (1946, 14681), (3878, 7367)]