209759144

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{120829}}^1$

素因数の和:120873

約数の個数: 32

約数和(自身を含む): 463987200

約数和(自身を除く): 254228056

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 120829, 241658, 483316, 845803, 966632, 1691606, 3383212, 3745699, 6766424, 7491398, 14982796, 26219893, 29965592, 52439786, 104879572, 209759144]

約数ペア:

[(1, 209759144), (2, 104879572), (4, 52439786), (7, 29965592), (8, 26219893), (14, 14982796), (28, 7491398), (31, 6766424), (56, 3745699), (62, 3383212), (124, 1691606), (217, 966632), (248, 845803), (434, 483316), (868, 241658), (1736, 120829)]