1209331328

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{304771}}^1$

素因数の和:304816

約数の個数: 32

約数和(自身を含む): 2486939520

約数和(自身を除く): 1277608192

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 304771, 609542, 1219084, 2438168, 4876336, 9447901, 9752672, 18895802, 19505344, 37791604, 39010688, 75583208, 151166416, 302332832, 604665664, 1209331328]

約数ペア:

[(1, 1209331328), (2, 604665664), (4, 302332832), (8, 151166416), (16, 75583208), (31, 39010688), (32, 37791604), (62, 19505344), (64, 18895802), (124, 9752672), (128, 9447901), (248, 4876336), (496, 2438168), (992, 1219084), (1984, 609542), (3968, 304771)]