221777504

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 488204640

約数和(自身を除く): 266427136

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 67, 73, 104, 109, 134, 146, 208, 218, 268, 292, 416, 436, 536, 584, 871, 872, 949, 1072, 1168, 1417, 1742, 1744, 1898, 2144, 2336, 2834, 3484, 3488, 3796, 4891, 5668, 6968, 7303, 7592, 7957, 9782, 11336, 13936, 14606, 15184, 15914, 19564, 22672, 27872, 29212, 30368, 31828, 39128, 45344, 58424, 63583, 63656, 78256, 94939, 103441, 116848, 127166, 127312, 156512, 189878, 206882, 233696, 254332, 254624, 379756, 413764, 508664, 533119, 759512, 827528, 1017328, 1066238, 1519024, 1655056, 2034656, 2132476, 3038048, 3310112, 4264952, 6930547, 8529904, 13861094, 17059808, 27722188, 55444376, 110888752, 221777504]

約数ペア:

[(1, 221777504), (2, 110888752), (4, 55444376), (8, 27722188), (13, 17059808), (16, 13861094), (26, 8529904), (32, 6930547), (52, 4264952), (67, 3310112), (73, 3038048), (104, 2132476), (109, 2034656), (134, 1655056), (146, 1519024), (208, 1066238), (218, 1017328), (268, 827528), (292, 759512), (416, 533119), (436, 508664), (536, 413764), (584, 379756), (871, 254624), (872, 254332), (949, 233696), (1072, 206882), (1168, 189878), (1417, 156512), (1742, 127312), (1744, 127166), (1898, 116848), (2144, 103441), (2336, 94939), (2834, 78256), (3484, 63656), (3488, 63583), (3796, 58424), (4891, 45344), (5668, 39128), (6968, 31828), (7303, 30368), (7592, 29212), (7957, 27872), (9782, 22672), (11336, 19564), (13936, 15914), (14606, 15184)]