991727104

素因数分解:

$2^9\times {\mathrm{251}}^1\times {\mathrm{7717}}^1$

素因数の和:7986

約数の個数: 40

約数和(自身を含む): 1989669528

約数和(自身を除く): 997942424

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 251, 256, 502, 512, 1004, 2008, 4016, 7717, 8032, 15434, 16064, 30868, 32128, 61736, 64256, 123472, 128512, 246944, 493888, 987776, 1936967, 1975552, 3873934, 3951104, 7747868, 15495736, 30991472, 61982944, 123965888, 247931776, 495863552, 991727104]

約数ペア:

[(1, 991727104), (2, 495863552), (4, 247931776), (8, 123965888), (16, 61982944), (32, 30991472), (64, 15495736), (128, 7747868), (251, 3951104), (256, 3873934), (502, 1975552), (512, 1936967), (1004, 987776), (2008, 493888), (4016, 246944), (7717, 128512), (8032, 123472), (15434, 64256), (16064, 61736), (30868, 32128)]