2161431545

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{13159}}^1$

素因数の和:13222

約数の個数: 48

約数和(自身を含む): 3369381120

約数和(自身を除く): 1207949575

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 361, 455, 665, 1235, 1729, 1805, 2527, 4693, 8645, 12635, 13159, 23465, 32851, 65795, 92113, 164255, 171067, 250021, 460565, 855335, 1197469, 1250105, 1750147, 3250273, 4750399, 5987345, 8750735, 16251365, 22751911, 23751995, 33252793, 61755187, 113759555, 166263965, 308775935, 432286309, 2161431545]

約数ペア:

[(1, 2161431545), (5, 432286309), (7, 308775935), (13, 166263965), (19, 113759555), (35, 61755187), (65, 33252793), (91, 23751995), (95, 22751911), (133, 16251365), (247, 8750735), (361, 5987345), (455, 4750399), (665, 3250273), (1235, 1750147), (1729, 1250105), (1805, 1197469), (2527, 855335), (4693, 460565), (8645, 250021), (12635, 171067), (13159, 164255), (23465, 92113), (32851, 65795)]