1966490785

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{1861}}^1$

素因数の和:2126

約数の個数: 48

約数和(自身を含む): 2903826240

約数和(自身を除く): 937335455

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 227, 245, 665, 931, 1135, 1589, 1861, 4313, 4655, 7945, 9305, 11123, 13027, 21565, 30191, 35359, 55615, 65135, 91189, 150955, 176795, 211337, 247513, 422447, 455945, 1056685, 1237565, 1732591, 2112235, 2957129, 8026493, 8662955, 14785645, 20699903, 40132465, 56185451, 103499515, 280927255, 393298157, 1966490785]

約数ペア:

[(1, 1966490785), (5, 393298157), (7, 280927255), (19, 103499515), (35, 56185451), (49, 40132465), (95, 20699903), (133, 14785645), (227, 8662955), (245, 8026493), (665, 2957129), (931, 2112235), (1135, 1732591), (1589, 1237565), (1861, 1056685), (4313, 455945), (4655, 422447), (7945, 247513), (9305, 211337), (11123, 176795), (13027, 150955), (21565, 91189), (30191, 65135), (35359, 55615)]