81182394

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:675

約数の個数: 48

約数和(自身を含む): 180048960

約数和(自身を除く): 98866566

約数列:

[1, 2, 3, 6, 9, 18, 71, 139, 142, 213, 278, 417, 426, 457, 639, 834, 914, 1251, 1278, 1371, 2502, 2742, 4113, 8226, 9869, 19738, 29607, 32447, 59214, 63523, 64894, 88821, 97341, 127046, 177642, 190569, 194682, 292023, 381138, 571707, 584046, 1143414, 4510133, 9020266, 13530399, 27060798, 40591197, 81182394]

約数ペア:

[(1, 81182394), (2, 40591197), (3, 27060798), (6, 13530399), (9, 9020266), (18, 4510133), (71, 1143414), (139, 584046), (142, 571707), (213, 381138), (278, 292023), (417, 194682), (426, 190569), (457, 177642), (639, 127046), (834, 97341), (914, 88821), (1251, 64894), (1278, 63523), (1371, 59214), (2502, 32447), (2742, 29607), (4113, 19738), (8226, 9869)]