278401792

素因数分解:

$2^8\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:174

約数の個数: 108

約数和(自身を含む): 609937776

約数和(自身を除く): 331535984

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 53, 64, 68, 71, 106, 128, 136, 142, 212, 256, 272, 284, 289, 424, 544, 568, 578, 848, 901, 1088, 1136, 1156, 1207, 1696, 1802, 2176, 2272, 2312, 2414, 3392, 3604, 3763, 4352, 4544, 4624, 4828, 6784, 7208, 7526, 9088, 9248, 9656, 13568, 14416, 15052, 15317, 18176, 18496, 19312, 20519, 28832, 30104, 30634, 36992, 38624, 41038, 57664, 60208, 61268, 63971, 73984, 77248, 82076, 115328, 120416, 122536, 127942, 154496, 164152, 230656, 240832, 245072, 255884, 308992, 328304, 481664, 490144, 511768, 656608, 963328, 980288, 1023536, 1087507, 1313216, 1960576, 2047072, 2175014, 2626432, 3921152, 4094144, 4350028, 5252864, 8188288, 8700056, 16376576, 17400112, 34800224, 69600448, 139200896, 278401792]

約数ペア:

[(1, 278401792), (2, 139200896), (4, 69600448), (8, 34800224), (16, 17400112), (17, 16376576), (32, 8700056), (34, 8188288), (53, 5252864), (64, 4350028), (68, 4094144), (71, 3921152), (106, 2626432), (128, 2175014), (136, 2047072), (142, 1960576), (212, 1313216), (256, 1087507), (272, 1023536), (284, 980288), (289, 963328), (424, 656608), (544, 511768), (568, 490144), (578, 481664), (848, 328304), (901, 308992), (1088, 255884), (1136, 245072), (1156, 240832), (1207, 230656), (1696, 164152), (1802, 154496), (2176, 127942), (2272, 122536), (2312, 120416), (2414, 115328), (3392, 82076), (3604, 77248), (3763, 73984), (4352, 63971), (4544, 61268), (4624, 60208), (4828, 57664), (6784, 41038), (7208, 38624), (7526, 36992), (9088, 30634), (9248, 30104), (9656, 28832), (13568, 20519), (14416, 19312), (15052, 18496), (15317, 18176)]