221082972

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{1423}}^1$

素因数の和:1559

約数の個数: 72

約数和(自身を含む): 572721408

約数和(自身を除く): 351638436

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 107, 121, 132, 214, 242, 321, 363, 428, 484, 642, 726, 1177, 1284, 1423, 1452, 2354, 2846, 3531, 4269, 4708, 5692, 7062, 8538, 12947, 14124, 15653, 17076, 25894, 31306, 38841, 46959, 51788, 62612, 77682, 93918, 152261, 155364, 172183, 187836, 304522, 344366, 456783, 516549, 609044, 688732, 913566, 1033098, 1674871, 1827132, 2066196, 3349742, 5024613, 6699484, 10049226, 18423581, 20098452, 36847162, 55270743, 73694324, 110541486, 221082972]

約数ペア:

[(1, 221082972), (2, 110541486), (3, 73694324), (4, 55270743), (6, 36847162), (11, 20098452), (12, 18423581), (22, 10049226), (33, 6699484), (44, 5024613), (66, 3349742), (107, 2066196), (121, 1827132), (132, 1674871), (214, 1033098), (242, 913566), (321, 688732), (363, 609044), (428, 516549), (484, 456783), (642, 344366), (726, 304522), (1177, 187836), (1284, 172183), (1423, 155364), (1452, 152261), (2354, 93918), (2846, 77682), (3531, 62612), (4269, 51788), (4708, 46959), (5692, 38841), (7062, 31306), (8538, 25894), (12947, 17076), (14124, 15653)]