81736928

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28069}}^1$

素因数の和:28099

約数の個数: 48

約数和(自身を含む): 198061920

約数和(自身を除く): 116324992

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 28069, 56138, 112276, 196483, 224552, 364897, 392966, 449104, 729794, 785932, 898208, 1459588, 1571864, 2554279, 2919176, 3143728, 5108558, 5838352, 6287456, 10217116, 11676704, 20434232, 40868464, 81736928]

約数ペア:

[(1, 81736928), (2, 40868464), (4, 20434232), (7, 11676704), (8, 10217116), (13, 6287456), (14, 5838352), (16, 5108558), (26, 3143728), (28, 2919176), (32, 2554279), (52, 1571864), (56, 1459588), (91, 898208), (104, 785932), (112, 729794), (182, 449104), (208, 392966), (224, 364897), (364, 224552), (416, 196483), (728, 112276), (1456, 56138), (2912, 28069)]