209519012

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 387330048

約数和(自身を除く): 177811036

約数列:

[1, 2, 4, 37, 71, 74, 127, 142, 148, 157, 254, 284, 314, 508, 628, 2627, 4699, 5254, 5809, 9017, 9398, 10508, 11147, 11618, 18034, 18796, 19939, 22294, 23236, 36068, 39878, 44588, 79756, 333629, 412439, 667258, 737743, 824878, 1334516, 1415669, 1475486, 1649756, 2831338, 2950972, 5662676, 52379753, 104759506, 209519012]

約数ペア:

[(1, 209519012), (2, 104759506), (4, 52379753), (37, 5662676), (71, 2950972), (74, 2831338), (127, 1649756), (142, 1475486), (148, 1415669), (157, 1334516), (254, 824878), (284, 737743), (314, 667258), (508, 412439), (628, 333629), (2627, 79756), (4699, 44588), (5254, 39878), (5809, 36068), (9017, 23236), (9398, 22294), (10508, 19939), (11147, 18796), (11618, 18034)]