397804732418

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1\times {\mathrm{977}}^1\times {\mathrm{5639}}^1$

素因数の和:7154

約数の個数: 32

約数和(自身を含む): 606309926400

約数和(自身を除く): 208505193982

約数列:

[1, 2, 79, 158, 457, 914, 977, 1954, 5639, 11278, 36103, 72206, 77183, 154366, 445481, 446489, 890962, 892978, 2577023, 5154046, 5509303, 11018606, 35272631, 70545262, 203584817, 407169634, 435234937, 870469874, 2517751471, 5035502942, 198902366209, 397804732418]

約数ペア:

[(1, 397804732418), (2, 198902366209), (79, 5035502942), (158, 2517751471), (457, 870469874), (914, 435234937), (977, 407169634), (1954, 203584817), (5639, 70545262), (11278, 35272631), (36103, 11018606), (72206, 5509303), (77183, 5154046), (154366, 2577023), (445481, 892978), (446489, 890962)]