1985210955

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{28517}}^1$

素因数の和:28565

約数の個数: 96

約数和(自身を含む): 4484398464

約数和(自身を除く): 2499187509

約数列:

[1, 3, 5, 7, 9, 13, 15, 17, 21, 35, 39, 45, 51, 63, 65, 85, 91, 105, 117, 119, 153, 195, 221, 255, 273, 315, 357, 455, 585, 595, 663, 765, 819, 1071, 1105, 1365, 1547, 1785, 1989, 3315, 4095, 4641, 5355, 7735, 9945, 13923, 23205, 28517, 69615, 85551, 142585, 199619, 256653, 370721, 427755, 484789, 598857, 998095, 1112163, 1283265, 1454367, 1796571, 1853605, 2423945, 2595047, 2994285, 3336489, 3393523, 4363101, 5560815, 6302257, 7271835, 7785141, 8982855, 10180569, 12975235, 16682445, 16967615, 18906771, 21815505, 23355423, 30541707, 31511285, 38925705, 44115799, 50902845, 56720313, 94533855, 116777115, 132347397, 152708535, 220578995, 283601565, 397042191, 661736985, 1985210955]

約数ペア:

[(1, 1985210955), (3, 661736985), (5, 397042191), (7, 283601565), (9, 220578995), (13, 152708535), (15, 132347397), (17, 116777115), (21, 94533855), (35, 56720313), (39, 50902845), (45, 44115799), (51, 38925705), (63, 31511285), (65, 30541707), (85, 23355423), (91, 21815505), (105, 18906771), (117, 16967615), (119, 16682445), (153, 12975235), (195, 10180569), (221, 8982855), (255, 7785141), (273, 7271835), (315, 6302257), (357, 5560815), (455, 4363101), (585, 3393523), (595, 3336489), (663, 2994285), (765, 2595047), (819, 2423945), (1071, 1853605), (1105, 1796571), (1365, 1454367), (1547, 1283265), (1785, 1112163), (1989, 998095), (3315, 598857), (4095, 484789), (4641, 427755), (5355, 370721), (7735, 256653), (9945, 199619), (13923, 142585), (23205, 85551), (28517, 69615)]