161818555745

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{857}}^1\times {\mathrm{10009}}^1$

素因数の和:10903

約数の個数: 64

約数和(自身を含む): 247351104000

約数和(自身を除く): 85532548255

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 343, 385, 539, 857, 1715, 2695, 3773, 4285, 5999, 9427, 10009, 18865, 29995, 41993, 47135, 50045, 65989, 70063, 110099, 209965, 293951, 329945, 350315, 461923, 490441, 550495, 770693, 1469755, 2309615, 2452205, 3233461, 3433087, 3853465, 5394851, 8577713, 16167305, 17165435, 26974255, 37763957, 42888565, 60043991, 94354843, 188819785, 300219955, 420307937, 471774215, 660483901, 2101539685, 2942155559, 3302419505, 4623387307, 14710777795, 23116936535, 32363711149, 161818555745]

約数ペア:

[(1, 161818555745), (5, 32363711149), (7, 23116936535), (11, 14710777795), (35, 4623387307), (49, 3302419505), (55, 2942155559), (77, 2101539685), (245, 660483901), (343, 471774215), (385, 420307937), (539, 300219955), (857, 188819785), (1715, 94354843), (2695, 60043991), (3773, 42888565), (4285, 37763957), (5999, 26974255), (9427, 17165435), (10009, 16167305), (18865, 8577713), (29995, 5394851), (41993, 3853465), (47135, 3433087), (50045, 3233461), (65989, 2452205), (70063, 2309615), (110099, 1469755), (209965, 770693), (293951, 550495), (329945, 490441), (350315, 461923)]