30854915

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3989}}^1$

素因数の和:4031

約数の個数: 32

約数和(自身を含む): 48263040

約数和(自身を除く): 17408125

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 3989, 7735, 19945, 27923, 51857, 67813, 139615, 259285, 339065, 362999, 474691, 881569, 1814995, 2373455, 4407845, 6170983, 30854915]

約数ペア:

[(1, 30854915), (5, 6170983), (7, 4407845), (13, 2373455), (17, 1814995), (35, 881569), (65, 474691), (85, 362999), (91, 339065), (119, 259285), (221, 139615), (455, 67813), (595, 51857), (1105, 27923), (1547, 19945), (3989, 7735)]