201220822

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:445

約数の個数: 48

約数和(自身を含む): 346134096

約数和(自身を除く): 144913274

約数列:

[1, 2, 11, 22, 43, 61, 86, 121, 122, 242, 317, 473, 634, 671, 946, 1342, 2623, 3487, 5203, 5246, 6974, 7381, 10406, 13631, 14762, 19337, 27262, 28853, 38357, 38674, 57706, 76714, 149941, 212707, 299882, 317383, 425414, 634766, 831491, 1649351, 1662982, 2339777, 3298702, 4679554, 9146401, 18292802, 100610411, 201220822]

約数ペア:

[(1, 201220822), (2, 100610411), (11, 18292802), (22, 9146401), (43, 4679554), (61, 3298702), (86, 2339777), (121, 1662982), (122, 1649351), (242, 831491), (317, 634766), (473, 425414), (634, 317383), (671, 299882), (946, 212707), (1342, 149941), (2623, 76714), (3487, 57706), (5203, 38674), (5246, 38357), (6974, 28853), (7381, 27262), (10406, 19337), (13631, 14762)]