398249936

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{42841}}^1$

素因数の和:42939

約数の個数: 40

約数和(自身を含む): 892484544

約数和(自身を除く): 494234608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 112, 166, 332, 581, 664, 1162, 1328, 2324, 4648, 9296, 42841, 85682, 171364, 299887, 342728, 599774, 685456, 1199548, 2399096, 3555803, 4798192, 7111606, 14223212, 24890621, 28446424, 49781242, 56892848, 99562484, 199124968, 398249936]

約数ペア:

[(1, 398249936), (2, 199124968), (4, 99562484), (7, 56892848), (8, 49781242), (14, 28446424), (16, 24890621), (28, 14223212), (56, 7111606), (83, 4798192), (112, 3555803), (166, 2399096), (332, 1199548), (581, 685456), (664, 599774), (1162, 342728), (1328, 299887), (2324, 171364), (4648, 85682), (9296, 42841)]