81608808

素因数分解:

$2^3\times 3^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 208422720

約数和(自身を除く): 126813912

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 101, 131, 202, 257, 262, 303, 393, 404, 514, 524, 606, 771, 786, 808, 1028, 1048, 1212, 1542, 1572, 2056, 2424, 3084, 3144, 6168, 13231, 25957, 26462, 33667, 39693, 51914, 52924, 67334, 77871, 79386, 101001, 103828, 105848, 134668, 155742, 158772, 202002, 207656, 269336, 311484, 317544, 404004, 622968, 808008, 3400367, 6800734, 10201101, 13601468, 20402202, 27202936, 40804404, 81608808]

約数ペア:

[(1, 81608808), (2, 40804404), (3, 27202936), (4, 20402202), (6, 13601468), (8, 10201101), (12, 6800734), (24, 3400367), (101, 808008), (131, 622968), (202, 404004), (257, 317544), (262, 311484), (303, 269336), (393, 207656), (404, 202002), (514, 158772), (524, 155742), (606, 134668), (771, 105848), (786, 103828), (808, 101001), (1028, 79386), (1048, 77871), (1212, 67334), (1542, 52924), (1572, 51914), (2056, 39693), (2424, 33667), (3084, 26462), (3144, 25957), (6168, 13231)]