28186070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 58164480

約数和(自身を除く): 29978410

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 59, 86, 101, 110, 118, 202, 215, 295, 430, 473, 505, 590, 649, 946, 1010, 1111, 1298, 2222, 2365, 2537, 3245, 4343, 4730, 5074, 5555, 5959, 6490, 8686, 11110, 11918, 12685, 21715, 25370, 27907, 29795, 43430, 47773, 55814, 59590, 65549, 95546, 131098, 139535, 238865, 256237, 279070, 327745, 477730, 512474, 655490, 1281185, 2562370, 2818607, 5637214, 14093035, 28186070]

約数ペア:

[(1, 28186070), (2, 14093035), (5, 5637214), (10, 2818607), (11, 2562370), (22, 1281185), (43, 655490), (55, 512474), (59, 477730), (86, 327745), (101, 279070), (110, 256237), (118, 238865), (202, 139535), (215, 131098), (295, 95546), (430, 65549), (473, 59590), (505, 55814), (590, 47773), (649, 43430), (946, 29795), (1010, 27907), (1111, 25370), (1298, 21715), (2222, 12685), (2365, 11918), (2537, 11110), (3245, 8686), (4343, 6490), (4730, 5959), (5074, 5555)]