25912257

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{643}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 42040320

約数和(自身を除く): 16128063

約数列:

[1, 3, 7, 19, 21, 57, 101, 133, 303, 399, 643, 707, 1919, 1929, 2121, 4501, 5757, 12217, 13433, 13503, 36651, 40299, 64943, 85519, 194829, 256557, 454601, 1233917, 1363803, 3701751, 8637419, 25912257]

約数ペア:

[(1, 25912257), (3, 8637419), (7, 3701751), (19, 1363803), (21, 1233917), (57, 454601), (101, 256557), (133, 194829), (303, 85519), (399, 64943), (643, 40299), (707, 36651), (1919, 13503), (1929, 13433), (2121, 12217), (4501, 5757)]