1645021696

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{103643}}^1$

素因数の和:103692

約数の個数: 40

約数和(自身を含む): 3392889984

約数和(自身を除く): 1747868288

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 103643, 207286, 414572, 829144, 1658288, 3212933, 3316576, 6425866, 6633152, 12851732, 13266304, 25703464, 26532608, 51406928, 53065216, 102813856, 205627712, 411255424, 822510848, 1645021696]

約数ペア:

[(1, 1645021696), (2, 822510848), (4, 411255424), (8, 205627712), (16, 102813856), (31, 53065216), (32, 51406928), (62, 26532608), (64, 25703464), (124, 13266304), (128, 12851732), (248, 6633152), (256, 6425866), (496, 3316576), (512, 3212933), (992, 1658288), (1984, 829144), (3968, 414572), (7936, 207286), (15872, 103643)]