1388479218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{252359}}^1$

素因数の和:252502

約数の個数: 32

約数和(自身を含む): 3197905920

約数和(自身を除く): 1809426702

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 131, 262, 393, 786, 917, 1834, 2751, 5502, 252359, 504718, 757077, 1514154, 1766513, 3533026, 5299539, 10599078, 33059029, 66118058, 99177087, 198354174, 231413203, 462826406, 694239609, 1388479218]

約数ペア:

[(1, 1388479218), (2, 694239609), (3, 462826406), (6, 231413203), (7, 198354174), (14, 99177087), (21, 66118058), (42, 33059029), (131, 10599078), (262, 5299539), (393, 3533026), (786, 1766513), (917, 1514154), (1834, 757077), (2751, 504718), (5502, 252359)]