200816785

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 265093920

約数和(自身を除く): 64277135

約数列:

[1, 5, 13, 65, 101, 169, 181, 505, 845, 905, 1313, 2197, 2353, 6565, 10985, 11765, 17069, 18281, 30589, 85345, 91405, 152945, 221897, 237653, 397657, 1109485, 1188265, 1988285, 3089489, 15447445, 40163357, 200816785]

約数ペア:

[(1, 200816785), (5, 40163357), (13, 15447445), (65, 3089489), (101, 1988285), (169, 1188265), (181, 1109485), (505, 397657), (845, 237653), (905, 221897), (1313, 152945), (2197, 91405), (2353, 85345), (6565, 30589), (10985, 18281), (11765, 17069)]