1991936

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:298

約数の個数: 36

約数和(自身を含む): 4120704

約数和(自身を除く): 2128768

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 251, 256, 496, 502, 992, 1004, 1984, 2008, 3968, 4016, 7781, 7936, 8032, 15562, 16064, 31124, 32128, 62248, 64256, 124496, 248992, 497984, 995968, 1991936]

約数ペア:

[(1, 1991936), (2, 995968), (4, 497984), (8, 248992), (16, 124496), (31, 64256), (32, 62248), (62, 32128), (64, 31124), (124, 16064), (128, 15562), (248, 8032), (251, 7936), (256, 7781), (496, 4016), (502, 3968), (992, 2008), (1004, 1984)]