2561295

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 48

約数和(自身を含む): 4828032

約数和(自身を除く): 2266737

約数列:

[1, 3, 5, 11, 15, 19, 33, 43, 55, 57, 95, 129, 165, 209, 215, 285, 361, 473, 627, 645, 817, 1045, 1083, 1419, 1805, 2365, 2451, 3135, 3971, 4085, 5415, 7095, 8987, 11913, 12255, 15523, 19855, 26961, 44935, 46569, 59565, 77615, 134805, 170753, 232845, 512259, 853765, 2561295]

約数ペア:

[(1, 2561295), (3, 853765), (5, 512259), (11, 232845), (15, 170753), (19, 134805), (33, 77615), (43, 59565), (55, 46569), (57, 44935), (95, 26961), (129, 19855), (165, 15523), (209, 12255), (215, 11913), (285, 8987), (361, 7095), (473, 5415), (627, 4085), (645, 3971), (817, 3135), (1045, 2451), (1083, 2365), (1419, 1805)]