213091954

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{4889}}^1$

素因数の和:4978

約数の個数: 32

約数和(自身を含む): 356774400

約数和(自身を除く): 143682446

約数列:

[1, 2, 19, 31, 37, 38, 62, 74, 589, 703, 1147, 1178, 1406, 2294, 4889, 9778, 21793, 43586, 92891, 151559, 180893, 185782, 303118, 361786, 2879621, 3436967, 5607683, 5759242, 6873934, 11215366, 106545977, 213091954]

約数ペア:

[(1, 213091954), (2, 106545977), (19, 11215366), (31, 6873934), (37, 5759242), (38, 5607683), (62, 3436967), (74, 2879621), (589, 361786), (703, 303118), (1147, 185782), (1178, 180893), (1406, 151559), (2294, 92891), (4889, 43586), (9778, 21793)]