221649736

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{4673}}^1$

素因数の和:4715

約数の個数: 72

約数和(自身を含む): 531503910

約数和(自身を除く): 309854174

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 121, 154, 196, 242, 308, 392, 484, 539, 616, 847, 968, 1078, 1694, 2156, 3388, 4312, 4673, 5929, 6776, 9346, 11858, 18692, 23716, 32711, 37384, 47432, 51403, 65422, 102806, 130844, 205612, 228977, 261688, 359821, 411224, 457954, 565433, 719642, 915908, 1130866, 1439284, 1831816, 2261732, 2518747, 2878568, 3958031, 4523464, 5037494, 7916062, 10074988, 15832124, 20149976, 27706217, 31664248, 55412434, 110824868, 221649736]

約数ペア:

[(1, 221649736), (2, 110824868), (4, 55412434), (7, 31664248), (8, 27706217), (11, 20149976), (14, 15832124), (22, 10074988), (28, 7916062), (44, 5037494), (49, 4523464), (56, 3958031), (77, 2878568), (88, 2518747), (98, 2261732), (121, 1831816), (154, 1439284), (196, 1130866), (242, 915908), (308, 719642), (392, 565433), (484, 457954), (539, 411224), (616, 359821), (847, 261688), (968, 228977), (1078, 205612), (1694, 130844), (2156, 102806), (3388, 65422), (4312, 51403), (4673, 47432), (5929, 37384), (6776, 32711), (9346, 23716), (11858, 18692)]