201777760405

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{7643}}^1$

素因数の和:8030

約数の個数: 48

約数和(自身を含む): 265222339200

約数和(自身を除く): 63444578795

約数列:

[1, 5, 13, 65, 157, 169, 199, 785, 845, 995, 2041, 2587, 7643, 10205, 12935, 26533, 31243, 33631, 38215, 99359, 132665, 156215, 168155, 406159, 496795, 1199951, 1291667, 1520957, 2030795, 5280067, 5999755, 6458335, 7604785, 15599363, 19772441, 26400335, 77996815, 98862205, 202791719, 238790249, 257041733, 1013958595, 1193951245, 1285208665, 3104273237, 15521366185, 40355552081, 201777760405]

約数ペア:

[(1, 201777760405), (5, 40355552081), (13, 15521366185), (65, 3104273237), (157, 1285208665), (169, 1193951245), (199, 1013958595), (785, 257041733), (845, 238790249), (995, 202791719), (2041, 98862205), (2587, 77996815), (7643, 26400335), (10205, 19772441), (12935, 15599363), (26533, 7604785), (31243, 6458335), (33631, 5999755), (38215, 5280067), (99359, 2030795), (132665, 1520957), (156215, 1291667), (168155, 1199951), (406159, 496795)]