25885391

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 7015729

約数列:

[1, 7, 19, 41, 47, 101, 133, 287, 329, 707, 779, 893, 1919, 1927, 4141, 4747, 5453, 6251, 13433, 13489, 28987, 33229, 36613, 78679, 90193, 194627, 256291, 550753, 631351, 1362389, 3697913, 25885391]

約数ペア:

[(1, 25885391), (7, 3697913), (19, 1362389), (41, 631351), (47, 550753), (101, 256291), (133, 194627), (287, 90193), (329, 78679), (707, 36613), (779, 33229), (893, 28987), (1919, 13489), (1927, 13433), (4141, 6251), (4747, 5453)]