11865980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{647}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 28740096

約数和(自身を除く): 16874116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 647, 655, 917, 1294, 1310, 1834, 2588, 2620, 3235, 3668, 4529, 4585, 6470, 9058, 9170, 12940, 18116, 18340, 22645, 45290, 84757, 90580, 169514, 339028, 423785, 593299, 847570, 1186598, 1695140, 2373196, 2966495, 5932990, 11865980]

約数ペア:

[(1, 11865980), (2, 5932990), (4, 2966495), (5, 2373196), (7, 1695140), (10, 1186598), (14, 847570), (20, 593299), (28, 423785), (35, 339028), (70, 169514), (131, 90580), (140, 84757), (262, 45290), (524, 22645), (647, 18340), (655, 18116), (917, 12940), (1294, 9170), (1310, 9058), (1834, 6470), (2588, 4585), (2620, 4529), (3235, 3668)]