81945402

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2137}}^1$

素因数の和:2243

約数の個数: 64

約数和(自身を含む): 206889984

約数和(自身を除く): 124944582

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 83, 154, 166, 231, 249, 462, 498, 581, 913, 1162, 1743, 1826, 2137, 2739, 3486, 4274, 5478, 6391, 6411, 12782, 12822, 14959, 19173, 23507, 29918, 38346, 44877, 47014, 70521, 89754, 141042, 164549, 177371, 329098, 354742, 493647, 532113, 987294, 1064226, 1241597, 1951081, 2483194, 3724791, 3902162, 5853243, 7449582, 11706486, 13657567, 27315134, 40972701, 81945402]

約数ペア:

[(1, 81945402), (2, 40972701), (3, 27315134), (6, 13657567), (7, 11706486), (11, 7449582), (14, 5853243), (21, 3902162), (22, 3724791), (33, 2483194), (42, 1951081), (66, 1241597), (77, 1064226), (83, 987294), (154, 532113), (166, 493647), (231, 354742), (249, 329098), (462, 177371), (498, 164549), (581, 141042), (913, 89754), (1162, 70521), (1743, 47014), (1826, 44877), (2137, 38346), (2739, 29918), (3486, 23507), (4274, 19173), (5478, 14959), (6391, 12822), (6411, 12782)]