209157806

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{761}}^1$

素因数の和:849

約数の個数: 48

約数和(自身を含む): 381359664

約数和(自身を除く): 172201858

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 143, 286, 341, 403, 682, 761, 806, 961, 1522, 1922, 4433, 8371, 8866, 9893, 10571, 12493, 16742, 19786, 21142, 23591, 24986, 47182, 108823, 137423, 217646, 259501, 274846, 306683, 519002, 613366, 731321, 1462642, 3373513, 6747026, 8044531, 9507173, 16089062, 19014346, 104578903, 209157806]

約数ペア:

[(1, 209157806), (2, 104578903), (11, 19014346), (13, 16089062), (22, 9507173), (26, 8044531), (31, 6747026), (62, 3373513), (143, 1462642), (286, 731321), (341, 613366), (403, 519002), (682, 306683), (761, 274846), (806, 259501), (961, 217646), (1522, 137423), (1922, 108823), (4433, 47182), (8371, 24986), (8866, 23591), (9893, 21142), (10571, 19786), (12493, 16742)]