28404928

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:285

約数の個数: 56

約数和(自身を含む): 59171840

約数和(自身を除く): 30766912

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 103, 124, 139, 206, 248, 278, 412, 496, 556, 824, 992, 1112, 1648, 1984, 2224, 3193, 3296, 4309, 4448, 6386, 6592, 8618, 8896, 12772, 14317, 17236, 25544, 28634, 34472, 51088, 57268, 68944, 102176, 114536, 137888, 204352, 229072, 275776, 443827, 458144, 887654, 916288, 1775308, 3550616, 7101232, 14202464, 28404928]

約数ペア:

[(1, 28404928), (2, 14202464), (4, 7101232), (8, 3550616), (16, 1775308), (31, 916288), (32, 887654), (62, 458144), (64, 443827), (103, 275776), (124, 229072), (139, 204352), (206, 137888), (248, 114536), (278, 102176), (412, 68944), (496, 57268), (556, 51088), (824, 34472), (992, 28634), (1112, 25544), (1648, 17236), (1984, 14317), (2224, 12772), (3193, 8896), (3296, 8618), (4309, 6592), (4448, 6386)]