197471235

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{839}}^1$

素因数の和:948

約数の個数: 64

約数和(自身を含む): 365783040

約数和(自身を除く): 168311805

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 71, 85, 195, 213, 221, 255, 355, 663, 839, 923, 1065, 1105, 1207, 2517, 2769, 3315, 3621, 4195, 4615, 6035, 10907, 12585, 13845, 14263, 15691, 18105, 32721, 42789, 47073, 54535, 59569, 71315, 78455, 163605, 178707, 185419, 213945, 235365, 297845, 556257, 774397, 893535, 927095, 1012673, 2323191, 2781285, 3038019, 3871985, 5063365, 11615955, 13164749, 15190095, 39494247, 65823745, 197471235]

約数ペア:

[(1, 197471235), (3, 65823745), (5, 39494247), (13, 15190095), (15, 13164749), (17, 11615955), (39, 5063365), (51, 3871985), (65, 3038019), (71, 2781285), (85, 2323191), (195, 1012673), (213, 927095), (221, 893535), (255, 774397), (355, 556257), (663, 297845), (839, 235365), (923, 213945), (1065, 185419), (1105, 178707), (1207, 163605), (2517, 78455), (2769, 71315), (3315, 59569), (3621, 54535), (4195, 47073), (4615, 42789), (6035, 32721), (10907, 18105), (12585, 15691), (13845, 14263)]