1991936968192

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{125500061}}^1$

素因数の和:125500110

約数の個数: 40

約数和(自身を含む): 4108370029632

約数和(自身を除く): 2116433061440

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 125500061, 251000122, 502000244, 1004000488, 2008000976, 3890501891, 4016001952, 7781003782, 8032003904, 15562007564, 16064007808, 31124015128, 32128015616, 62248030256, 64256031232, 124496060512, 248992121024, 497984242048, 995968484096, 1991936968192]

約数ペア:

[(1, 1991936968192), (2, 995968484096), (4, 497984242048), (8, 248992121024), (16, 124496060512), (31, 64256031232), (32, 62248030256), (62, 32128015616), (64, 31124015128), (124, 16064007808), (128, 15562007564), (248, 8032003904), (256, 7781003782), (496, 4016001952), (512, 3890501891), (992, 2008000976), (1984, 1004000488), (3968, 502000244), (7936, 251000122), (15872, 125500061)]