1640732555

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3677}}^1$

素因数の和:3780

約数の個数: 64

約数和(自身を含む): 2626974720

約数和(自身を除く): 986242165

約数列:

[1, 5, 7, 11, 19, 35, 55, 61, 77, 95, 133, 209, 305, 385, 427, 665, 671, 1045, 1159, 1463, 2135, 3355, 3677, 4697, 5795, 7315, 8113, 12749, 18385, 23485, 25739, 40447, 40565, 63745, 69863, 89243, 128695, 202235, 224297, 283129, 349315, 446215, 489041, 768493, 1121485, 1415645, 1570079, 2445205, 2467267, 3842465, 4261643, 5379451, 7850395, 12336335, 17270869, 21308215, 26897255, 29831501, 46878073, 86354345, 149157505, 234390365, 328146511, 1640732555]

約数ペア:

[(1, 1640732555), (5, 328146511), (7, 234390365), (11, 149157505), (19, 86354345), (35, 46878073), (55, 29831501), (61, 26897255), (77, 21308215), (95, 17270869), (133, 12336335), (209, 7850395), (305, 5379451), (385, 4261643), (427, 3842465), (665, 2467267), (671, 2445205), (1045, 1570079), (1159, 1415645), (1463, 1121485), (2135, 768493), (3355, 489041), (3677, 446215), (4697, 349315), (5795, 283129), (7315, 224297), (8113, 202235), (12749, 128695), (18385, 89243), (23485, 69863), (25739, 63745), (40447, 40565)]