213017816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127403}}^1$

素因数の和:127439

約数の個数: 32

約数和(自身を含む): 458654400

約数和(自身を除く): 245636584

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 127403, 254806, 509612, 1019224, 1401433, 2420657, 2802866, 4841314, 5605732, 9682628, 11211464, 19365256, 26627227, 53254454, 106508908, 213017816]

約数ペア:

[(1, 213017816), (2, 106508908), (4, 53254454), (8, 26627227), (11, 19365256), (19, 11211464), (22, 9682628), (38, 5605732), (44, 4841314), (76, 2802866), (88, 2420657), (152, 1401433), (209, 1019224), (418, 509612), (836, 254806), (1672, 127403)]