339974999

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 450616320

約数和(自身を除く): 110641321

約数列:

[1, 7, 13, 19, 79, 91, 131, 133, 247, 361, 553, 917, 1027, 1501, 1703, 1729, 2489, 2527, 4693, 7189, 10349, 10507, 11921, 17423, 19513, 28519, 32357, 32851, 47291, 72443, 134537, 136591, 196631, 199633, 226499, 331037, 370747, 614783, 941759, 1376417, 2556203, 2595229, 3735989, 4303481, 17893421, 26151923, 48567857, 339974999]

約数ペア:

[(1, 339974999), (7, 48567857), (13, 26151923), (19, 17893421), (79, 4303481), (91, 3735989), (131, 2595229), (133, 2556203), (247, 1376417), (361, 941759), (553, 614783), (917, 370747), (1027, 331037), (1501, 226499), (1703, 199633), (1729, 196631), (2489, 136591), (2527, 134537), (4693, 72443), (7189, 47291), (10349, 32851), (10507, 32357), (11921, 28519), (17423, 19513)]