639453612

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{161969}}^1$

素因数の和:162030

約数の個数: 48

約数和(自身を含む): 1741501440

約数和(自身を除く): 1102047828

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948, 161969, 323938, 485907, 647876, 971814, 1133783, 1943628, 2267566, 3401349, 4535132, 6802698, 7612543, 13605396, 15225086, 22837629, 30450172, 45675258, 53287801, 91350516, 106575602, 159863403, 213151204, 319726806, 639453612]

約数ペア:

[(1, 639453612), (2, 319726806), (3, 213151204), (4, 159863403), (6, 106575602), (7, 91350516), (12, 53287801), (14, 45675258), (21, 30450172), (28, 22837629), (42, 15225086), (47, 13605396), (84, 7612543), (94, 6802698), (141, 4535132), (188, 3401349), (282, 2267566), (329, 1943628), (564, 1133783), (658, 971814), (987, 647876), (1316, 485907), (1974, 323938), (3948, 161969)]