164637655

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{743}}^1$

素因数の和:1255

約数の個数: 32

約数和(自身を含む): 243984384

約数和(自身を除く): 79346729

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 487, 743, 2435, 3409, 3715, 5201, 6331, 9659, 17045, 26005, 31655, 44317, 48295, 67613, 221585, 338065, 361841, 1809205, 2532887, 4703933, 12664435, 23519665, 32927531, 164637655]

約数ペア:

[(1, 164637655), (5, 32927531), (7, 23519665), (13, 12664435), (35, 4703933), (65, 2532887), (91, 1809205), (455, 361841), (487, 338065), (743, 221585), (2435, 67613), (3409, 48295), (3715, 44317), (5201, 31655), (6331, 26005), (9659, 17045)]