681569656

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{6869}}^1$

素因数の和:7111

約数の個数: 32

約数和(自身を含む): 1302552000

約数和(自身を除く): 620982344

約数列:

[1, 2, 4, 8, 79, 157, 158, 314, 316, 628, 632, 1256, 6869, 12403, 13738, 24806, 27476, 49612, 54952, 99224, 542651, 1078433, 1085302, 2156866, 2170604, 4313732, 4341208, 8627464, 85196207, 170392414, 340784828, 681569656]

約数ペア:

[(1, 681569656), (2, 340784828), (4, 170392414), (8, 85196207), (79, 8627464), (157, 4341208), (158, 4313732), (314, 2170604), (316, 2156866), (628, 1085302), (632, 1078433), (1256, 542651), (6869, 99224), (12403, 54952), (13738, 49612), (24806, 27476)]