389506816

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{49081}}^1$

素因数の和:49128

約数の個数: 36

約数和(自身を含む): 802588864

約数和(自身を除く): 413082048

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 49081, 98162, 196324, 392648, 785296, 1521511, 1570592, 3043022, 3141184, 6086044, 6282368, 12172088, 12564736, 24344176, 48688352, 97376704, 194753408, 389506816]

約数ペア:

[(1, 389506816), (2, 194753408), (4, 97376704), (8, 48688352), (16, 24344176), (31, 12564736), (32, 12172088), (62, 6282368), (64, 6086044), (124, 3141184), (128, 3043022), (248, 1570592), (256, 1521511), (496, 785296), (992, 392648), (1984, 196324), (3968, 98162), (7936, 49081)]