906138415

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{27281}}^1$

素因数の和:27379

約数の個数: 32

約数和(自身を含む): 1356679296

約数和(自身を除く): 450540881

約数列:

[1, 5, 7, 13, 35, 65, 73, 91, 365, 455, 511, 949, 2555, 4745, 6643, 27281, 33215, 136405, 190967, 354653, 954835, 1773265, 1991513, 2482571, 9957565, 12412855, 13940591, 25889669, 69702955, 129448345, 181227683, 906138415]

約数ペア:

[(1, 906138415), (5, 181227683), (7, 129448345), (13, 69702955), (35, 25889669), (65, 13940591), (73, 12412855), (91, 9957565), (365, 2482571), (455, 1991513), (511, 1773265), (949, 954835), (2555, 354653), (4745, 190967), (6643, 136405), (27281, 33215)]