1641605

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 32

約数和(自身を含む): 2488320

約数和(自身を除く): 846715

約数列:

[1, 5, 7, 17, 31, 35, 85, 89, 119, 155, 217, 445, 527, 595, 623, 1085, 1513, 2635, 2759, 3115, 3689, 7565, 10591, 13795, 18445, 19313, 46903, 52955, 96565, 234515, 328321, 1641605]

約数ペア:

[(1, 1641605), (5, 328321), (7, 234515), (17, 96565), (31, 52955), (35, 46903), (85, 19313), (89, 18445), (119, 13795), (155, 10591), (217, 7565), (445, 3689), (527, 3115), (595, 2759), (623, 2635), (1085, 1513)]