256632784

素因数分解:

$2^4\times {\mathrm{47}}^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:292

約数の個数: 60

約数和(自身を含む): 521394084

約数和(自身を除く): 264761300

約数列:

[1, 2, 4, 8, 16, 47, 53, 94, 106, 137, 188, 212, 274, 376, 424, 548, 752, 848, 1096, 2192, 2209, 2491, 4418, 4982, 6439, 7261, 8836, 9964, 12878, 14522, 17672, 19928, 25756, 29044, 35344, 39856, 51512, 58088, 103024, 116176, 117077, 234154, 302633, 341267, 468308, 605266, 682534, 936616, 1210532, 1365068, 1873232, 2421064, 2730136, 4842128, 5460272, 16039549, 32079098, 64158196, 128316392, 256632784]

約数ペア:

[(1, 256632784), (2, 128316392), (4, 64158196), (8, 32079098), (16, 16039549), (47, 5460272), (53, 4842128), (94, 2730136), (106, 2421064), (137, 1873232), (188, 1365068), (212, 1210532), (274, 936616), (376, 682534), (424, 605266), (548, 468308), (752, 341267), (848, 302633), (1096, 234154), (2192, 117077), (2209, 116176), (2491, 103024), (4418, 58088), (4982, 51512), (6439, 39856), (7261, 35344), (8836, 29044), (9964, 25756), (12878, 19928), (14522, 17672)]