641285186

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1\times {\mathrm{881}}^1$

素因数の和:1250

約数の個数: 32

約数和(自身を含む): 1036385280

約数和(自身を除く): 395100094

約数列:

[1, 2, 17, 34, 79, 158, 271, 542, 881, 1343, 1762, 2686, 4607, 9214, 14977, 21409, 29954, 42818, 69599, 139198, 238751, 363953, 477502, 727906, 1183183, 2366366, 4058767, 8117534, 18861329, 37722658, 320642593, 641285186]

約数ペア:

[(1, 641285186), (2, 320642593), (17, 37722658), (34, 18861329), (79, 8117534), (158, 4058767), (271, 2366366), (542, 1183183), (881, 727906), (1343, 477502), (1762, 363953), (2686, 238751), (4607, 139198), (9214, 69599), (14977, 42818), (21409, 29954)]