138738470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{9791}}^1$

素因数の和:9920

約数の個数: 32

約数和(自身を含む): 271434240

約数和(自身を除く): 132695770

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 218, 545, 1090, 1417, 2834, 7085, 9791, 14170, 19582, 48955, 97910, 127283, 254566, 636415, 1067219, 1272830, 2134438, 5336095, 10672190, 13873847, 27747694, 69369235, 138738470]

約数ペア:

[(1, 138738470), (2, 69369235), (5, 27747694), (10, 13873847), (13, 10672190), (26, 5336095), (65, 2134438), (109, 1272830), (130, 1067219), (218, 636415), (545, 254566), (1090, 127283), (1417, 97910), (2834, 48955), (7085, 19582), (9791, 14170)]