664803362

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{601}}^1$

素因数の和:938

約数の個数: 32

約数和(自身を含む): 1055859840

約数和(自身を除く): 391056478

約数列:

[1, 2, 23, 46, 139, 173, 278, 346, 601, 1202, 3197, 3979, 6394, 7958, 13823, 24047, 27646, 48094, 83539, 103973, 167078, 207946, 553081, 1106162, 1921397, 2391379, 3842794, 4782758, 14452247, 28904494, 332401681, 664803362]

約数ペア:

[(1, 664803362), (2, 332401681), (23, 28904494), (46, 14452247), (139, 4782758), (173, 3842794), (278, 2391379), (346, 1921397), (601, 1106162), (1202, 553081), (3197, 207946), (3979, 167078), (6394, 103973), (7958, 83539), (13823, 48094), (24047, 27646)]