28800655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 38864448

約数和(自身を除く): 10063793

約数列:

[1, 5, 13, 41, 65, 101, 107, 205, 505, 533, 535, 1313, 1391, 2665, 4141, 4387, 6565, 6955, 10807, 20705, 21935, 53833, 54035, 57031, 140491, 269165, 285155, 443087, 702455, 2215435, 5760131, 28800655]

約数ペア:

[(1, 28800655), (5, 5760131), (13, 2215435), (41, 702455), (65, 443087), (101, 285155), (107, 269165), (205, 140491), (505, 57031), (533, 54035), (535, 53833), (1313, 21935), (1391, 20705), (2665, 10807), (4141, 6955), (4387, 6565)]