315089509

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 393845760

約数和(自身を除く): 78756251

約数列:

[1, 7, 17, 43, 119, 139, 301, 443, 731, 973, 2363, 3101, 5117, 5977, 7531, 16541, 19049, 41839, 52717, 61577, 101609, 133343, 323833, 431039, 711263, 1046809, 2266831, 2647811, 7327663, 18534677, 45012787, 315089509]

約数ペア:

[(1, 315089509), (7, 45012787), (17, 18534677), (43, 7327663), (119, 2647811), (139, 2266831), (301, 1046809), (443, 711263), (731, 431039), (973, 323833), (2363, 133343), (3101, 101609), (5117, 61577), (5977, 52717), (7531, 41839), (16541, 19049)]