221079972

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{1009}}^1$

素因数の和:1097

約数の個数: 72

約数和(自身を含む): 561640800

約数和(自身を除く): 340560828

約数列:

[1, 2, 3, 4, 6, 12, 19, 31, 38, 57, 62, 76, 93, 114, 124, 186, 228, 372, 589, 961, 1009, 1178, 1767, 1922, 2018, 2356, 2883, 3027, 3534, 3844, 4036, 5766, 6054, 7068, 11532, 12108, 18259, 19171, 31279, 36518, 38342, 54777, 57513, 62558, 73036, 76684, 93837, 109554, 115026, 125116, 187674, 219108, 230052, 375348, 594301, 969649, 1188602, 1782903, 1939298, 2377204, 2908947, 3565806, 3878596, 5817894, 7131612, 11635788, 18423331, 36846662, 55269993, 73693324, 110539986, 221079972]

約数ペア:

[(1, 221079972), (2, 110539986), (3, 73693324), (4, 55269993), (6, 36846662), (12, 18423331), (19, 11635788), (31, 7131612), (38, 5817894), (57, 3878596), (62, 3565806), (76, 2908947), (93, 2377204), (114, 1939298), (124, 1782903), (186, 1188602), (228, 969649), (372, 594301), (589, 375348), (961, 230052), (1009, 219108), (1178, 187674), (1767, 125116), (1922, 115026), (2018, 109554), (2356, 93837), (2883, 76684), (3027, 73036), (3534, 62558), (3844, 57513), (4036, 54777), (5766, 38342), (6054, 36518), (7068, 31279), (11532, 19171), (12108, 18259)]