256202385

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{13697}}^1$

素因数の和:13777

約数の個数: 32

約数和(自身を含む): 433952640

約数和(自身を除く): 177750255

約数列:

[1, 3, 5, 15, 29, 43, 87, 129, 145, 215, 435, 645, 1247, 3741, 6235, 13697, 18705, 41091, 68485, 205455, 397213, 588971, 1191639, 1766913, 1986065, 2944855, 5958195, 8834565, 17080159, 51240477, 85400795, 256202385]

約数ペア:

[(1, 256202385), (3, 85400795), (5, 51240477), (15, 17080159), (29, 8834565), (43, 5958195), (87, 2944855), (129, 1986065), (145, 1766913), (215, 1191639), (435, 588971), (645, 397213), (1247, 205455), (3741, 68485), (6235, 41091), (13697, 18705)]