221256728

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{32653}}^1$

素因数の和:32688

約数の個数: 48

約数和(自身を含む): 521157840

約数和(自身を除く): 299901112

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 308, 484, 616, 847, 968, 1694, 3388, 6776, 32653, 65306, 130612, 228571, 261224, 359183, 457142, 718366, 914284, 1436732, 1828568, 2514281, 2873464, 3951013, 5028562, 7902026, 10057124, 15804052, 20114248, 27657091, 31608104, 55314182, 110628364, 221256728]

約数ペア:

[(1, 221256728), (2, 110628364), (4, 55314182), (7, 31608104), (8, 27657091), (11, 20114248), (14, 15804052), (22, 10057124), (28, 7902026), (44, 5028562), (56, 3951013), (77, 2873464), (88, 2514281), (121, 1828568), (154, 1436732), (242, 914284), (308, 718366), (484, 457142), (616, 359183), (847, 261224), (968, 228571), (1694, 130612), (3388, 65306), (6776, 32653)]