203660639

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1931}}^1$

素因数の和:2031

約数の個数: 32

約数和(自身を含む): 268316160

約数和(自身を除く): 64655521

約数列:

[1, 7, 13, 19, 61, 91, 133, 247, 427, 793, 1159, 1729, 1931, 5551, 8113, 13517, 15067, 25103, 36689, 105469, 117791, 175721, 256823, 476957, 824537, 1531283, 2238029, 3338699, 10718981, 15666203, 29094377, 203660639]

約数ペア:

[(1, 203660639), (7, 29094377), (13, 15666203), (19, 10718981), (61, 3338699), (91, 2238029), (133, 1531283), (247, 824537), (427, 476957), (793, 256823), (1159, 175721), (1729, 117791), (1931, 105469), (5551, 36689), (8113, 25103), (13517, 15067)]